25488086788 has 96 divisors (see below), whose sum is σ = 49177497600. Its totient is φ = 11513923200.

The previous prime is 25488086783. The next prime is 25488086797. The reversal of 25488086788 is 88768088452.

It is a super-2 number, since 2×25488086788² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25488086783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83022931 + ... + 83023237.

It is an arithmetic number, because the mean of its divisors is an integer number (512265600).

Almost surely, 2^25488086788 is an apocalyptic number.

It is an amenable number.

25488086788 is a deficient number, since it is larger than the sum of its proper divisors (23689410812).

25488086788 is a wasteful number, since it uses less digits than its factorization.

25488086788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761 (or 759 counting only the distinct ones).

The product of its (nonzero) digits is 55050240, while the sum is 64.

The spelling of 25488086788 in words is "twenty-five billion, four hundred eighty-eight million, eighty-six thousand, seven hundred eighty-eight".