2878017480 has 160 divisors (see below), whose sum is σ = 10417591800. Its totient is φ = 708424704.

The previous prime is 2878017473. The next prime is 2878017491. The reversal of 2878017480 is 847108782.

2878017480 is a `hidden beast` number, since 2 + 87 + 80 + 17 + 480 = 666.

2878017480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2502200484 + 375816996 = 50022^2 + 19386^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7956 + ... + 76284.

Almost surely, 2^2878017480 is an apocalyptic number.

2878017480 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 2878017480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5208795900).

2878017480 is an abundant number, since it is smaller than the sum of its proper divisors (7539574320).

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

2878017480 is a wasteful number, since it uses less digits than its factorization.

2878017480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68365 (or 68352 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 45.

The square root of 2878017480 is about 53647.1572406218. The cubic root of 2878017480 is about 1422.4307833338.

The spelling of 2878017480 in words is "two billion, eight hundred seventy-eight million, seventeen thousand, four hundred eighty".