2800704978 has 32 divisors (see below), whose sum is σ = 6232437120. Its totient is φ = 932271120.

The previous prime is 2800704971. The next prime is 2800704983. The reversal of 2800704978 is 8794070082.

It is not an unprimeable number, because it can be changed into a prime (2800704971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3588 + ... + 74928.

It is an arithmetic number, because the mean of its divisors is an integer number (194763660).

Almost surely, 2^2800704978 is an apocalyptic number.

2800704978 is an abundant number, since it is smaller than the sum of its proper divisors (3431732142).

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

2800704978 is a wasteful number, since it uses less digits than its factorization.

2800704978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72079 (or 72073 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 2800704978 is about 52921.6872180017. The cubic root of 2800704978 is about 1409.5780267383.

The spelling of 2800704978 in words is "two billion, eight hundred million, seven hundred four thousand, nine hundred seventy-eight".