25885874870 has 16 divisors (see below), whose sum is σ = 47678170320. Its totient is φ = 10113550944.

The previous prime is 25885874869. The next prime is 25885874921. The reversal of 25885874870 is 7847858852.

It is a congruent number.

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, 30099425 + ... + 30100284.

It is an arithmetic number, because the mean of its divisors is an integer number (2979885645).

Almost surely, 2^25885874870 is an apocalyptic number.

25885874870 is a deficient number, since it is larger than the sum of its proper divisors (21792295450).

25885874870 is a wasteful number, since it uses less digits than its factorization.

25885874870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60199759.

The product of its (nonzero) digits is 40140800, while the sum is 62.

The spelling of 25885874870 in words is "twenty-five billion, eight hundred eighty-five million, eight hundred seventy-four thousand, eight hundred seventy".