2504864978 has 64 divisors (see below), whose sum is σ = 4746249216. Its totient is φ = 963144000.

The previous prime is 2504864969. The next prime is 2504864993. The reversal of 2504864978 is 8794684052.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5101313 + ... + 5101803.

It is an arithmetic number, because the mean of its divisors is an integer number (74160144).

Almost surely, 2^2504864978 is an apocalyptic number.

2504864978 is a deficient number, since it is larger than the sum of its proper divisors (2241384238).

2504864978 is a wasteful number, since it uses less digits than its factorization.

2504864978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The square root of 2504864978 is about 50048.6261349900. The cubic root of 2504864978 is about 1358.0886099811.

The spelling of 2504864978 in words is "two billion, five hundred four million, eight hundred sixty-four thousand, nine hundred seventy-eight".