25758872008 has 32 divisors (see below), whose sum is σ = 48814084800. Its totient is φ = 12742026048.

The previous prime is 25758871993. The next prime is 25758872017. The reversal of 25758872008 is 80027885752.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 866235 + ... + 895477.

It is an arithmetic number, because the mean of its divisors is an integer number (1525440150).

Almost surely, 2^25758872008 is an apocalyptic number.

It is an amenable number.

25758872008 is a deficient number, since it is larger than the sum of its proper divisors (23055212792).

25758872008 is a wasteful number, since it uses less digits than its factorization.

25758872008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30421 (or 30417 counting only the distinct ones).

The product of its (nonzero) digits is 2508800, while the sum is 52.

The spelling of 25758872008 in words is "twenty-five billion, seven hundred fifty-eight million, eight hundred seventy-two thousand, eight".