25886973696 has 36 divisors (see below), whose sum is σ = 68897103912. Its totient is φ = 8628990976.

The previous prime is 25886973683. The next prime is 25886973701. The reversal of 25886973696 is 69637968852.

It is a super-3 number, since 3×25886973696³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25886973696.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16852731 + ... + 16854266.

It is an arithmetic number, because the mean of its divisors is an integer number (1913808442).

Almost surely, 2^25886973696 is an apocalyptic number.

It is an amenable number.

25886973696 is an abundant number, since it is smaller than the sum of its proper divisors (43010130216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25886973696 is an equidigital number, since it uses as much as digits as its factorization.

25886973696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33707016 (or 33707002 counting only the distinct ones).

The product of its digits is 235146240, while the sum is 69.

The spelling of 25886973696 in words is "twenty-five billion, eight hundred eighty-six million, nine hundred seventy-three thousand, six hundred ninety-six".