25757279368 has 32 divisors (see below), whose sum is σ = 48795543360. Its totient is φ = 12745252800.

The previous prime is 25757279333. The next prime is 25757279441. The reversal of 25757279368 is 86397275752.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2132755 + ... + 2144797.

It is an arithmetic number, because the mean of its divisors is an integer number (1524860730).

Almost surely, 2^25757279368 is an apocalyptic number.

It is an amenable number.

25757279368 is a deficient number, since it is larger than the sum of its proper divisors (23038263992).

25757279368 is a wasteful number, since it uses less digits than its factorization.

25757279368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14797 (or 14793 counting only the distinct ones).

The product of its digits is 44452800, while the sum is 61.

The spelling of 25757279368 in words is "twenty-five billion, seven hundred fifty-seven million, two hundred seventy-nine thousand, three hundred sixty-eight".