25856025788 has 24 divisors (see below), whose sum is σ = 46727071104. Its totient is φ = 12505780800.

The previous prime is 25856025787. The next prime is 25856025791. The reversal of 25856025788 is 88752065852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25856025787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265058 + ... + 349238.

It is an arithmetic number, because the mean of its divisors is an integer number (1946961296).

Almost surely, 2^25856025788 is an apocalyptic number.

It is an amenable number.

25856025788 is a deficient number, since it is larger than the sum of its proper divisors (20871045316).

25856025788 is a wasteful number, since it uses less digits than its factorization.

25856025788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86693 (or 86691 counting only the distinct ones).

The product of its (nonzero) digits is 10752000, while the sum is 56.

The spelling of 25856025788 in words is "twenty-five billion, eight hundred fifty-six million, twenty-five thousand, seven hundred eighty-eight".