25875557908 has 12 divisors (see below), whose sum is σ = 45705425472. Its totient is φ = 12816864920.

The previous prime is 25875557861. The next prime is 25875557959. The reversal of 25875557908 is 80975557852.

It is a super-2 number, since 2×25875557908² (a number of 22 digits) contains 22 as substring.

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, 30228028 + ... + 30228883.

It is an arithmetic number, because the mean of its divisors is an integer number (3808785456).

Almost surely, 2^25875557908 is an apocalyptic number.

It is an amenable number.

25875557908 is a deficient number, since it is larger than the sum of its proper divisors (19829867564).

25875557908 is a wasteful number, since it uses less digits than its factorization.

25875557908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60457022 (or 60457020 counting only the distinct ones).

The product of its (nonzero) digits is 35280000, while the sum is 61.

The spelling of 25875557908 in words is "twenty-five billion, eight hundred seventy-five million, five hundred fifty-seven thousand, nine hundred eight".