25757853664 has 48 divisors (see below), whose sum is σ = 50957424000. Its totient is φ = 12816445824.

The previous prime is 25757853623. The next prime is 25757853673. The reversal of 25757853664 is 46635875752.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25757853599 and 25757853608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6281887 + ... + 6285985.

It is an arithmetic number, because the mean of its divisors is an integer number (1061613000).

Almost surely, 2^25757853664 is an apocalyptic number.

It is an amenable number.

25757853664 is a deficient number, since it is larger than the sum of its proper divisors (25199570336).

25757853664 is a wasteful number, since it uses less digits than its factorization.

25757853664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5015 (or 5007 counting only the distinct ones).

The product of its digits is 42336000, while the sum is 58.

The spelling of 25757853664 in words is "twenty-five billion, seven hundred fifty-seven million, eight hundred fifty-three thousand, six hundred sixty-four".