25757052808 has 32 divisors (see below), whose sum is σ = 49132143360. Its totient is φ = 12656064960.

The previous prime is 25757052799. The next prime is 25757052809. The reversal of 25757052808 is 80825075752.

It is not an unprimeable number, because it can be changed into a prime (25757052809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168585 + ... + 282727.

It is an arithmetic number, because the mean of its divisors is an integer number (1535379480).

Almost surely, 2^25757052808 is an apocalyptic number.

It is an amenable number.

25757052808 is a deficient number, since it is larger than the sum of its proper divisors (23375090552).

25757052808 is a wasteful number, since it uses less digits than its factorization.

25757052808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114637 (or 114633 counting only the distinct ones).

The product of its (nonzero) digits is 1568000, while the sum is 49.

The spelling of 25757052808 in words is "twenty-five billion, seven hundred fifty-seven million, fifty-two thousand, eight hundred eight".