2778283080 has 96 divisors (see below), whose sum is σ = 9064855800. Its totient is φ = 737968128.

The previous prime is 2778283073. The next prime is 2778283087. The reversal of 2778283080 is 803828772.

It is an interprime number because it is at equal distance from previous prime (2778283073) and next prime (2778283087).

It can be written as a sum of positive squares in 4 ways, for example, as 2666896164 + 111386916 = 51642^2 + 10554^2 .

It is a super-2 number, since 2×2778283080² = 15437713745228572800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2778283087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77506 + ... + 107534.

Almost surely, 2^2778283080 is an apocalyptic number.

2778283080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2778283080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4532427900).

2778283080 is an abundant number, since it is smaller than the sum of its proper divisors (6286572720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2778283080 is a wasteful number, since it uses less digits than its factorization.

2778283080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30303 (or 30296 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 2778283080 is about 52709.4211692749. The cubic root of 2778283080 is about 1405.8063413483.

The spelling of 2778283080 in words is "two billion, seven hundred seventy-eight million, two hundred eighty-three thousand, eighty".