2806780548 has 192 divisors, whose sum is σ = 8363335680. Its totient is φ = 719539200.

The previous prime is 2806780547. The next prime is 2806780609. The reversal of 2806780548 is 8450876082.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2806780497 and 2806780506.

It is not an unprimeable number, because it can be changed into a prime (2806780541) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1009336 + ... + 1012112.

It is an arithmetic number, because the mean of its divisors is an integer number (43559040).

Almost surely, 2^2806780548 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2806780548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4181667840).

2806780548 is an abundant number, since it is smaller than the sum of its proper divisors (5556555132).

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

2806780548 is a wasteful number, since it uses less digits than its factorization.

2806780548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858 (or 2856 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 48.

The square root of 2806780548 is about 52979.0576360131. The cubic root of 2806780548 is about 1410.5965565810.

The spelling of 2806780548 in words is "two billion, eight hundred six million, seven hundred eighty thousand, five hundred forty-eight".