25870957908 has 24 divisors (see below), whose sum is σ = 61388715360. Its totient is φ = 8477488800.

The previous prime is 25870957907. The next prime is 25870957909. The reversal of 25870957908 is 80975907852.

It is an interprime number because it is at equal distance from previous prime (25870957907) and next prime (25870957909).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25870957907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18269743 + ... + 18271158.

It is an arithmetic number, because the mean of its divisors is an integer number (2557863140).

Almost surely, 2^25870957908 is an apocalyptic number.

It is an amenable number.

25870957908 is an abundant number, since it is smaller than the sum of its proper divisors (35517757452).

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

25870957908 is a wasteful number, since it uses less digits than its factorization.

25870957908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36540967 (or 36540965 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 60.

The spelling of 25870957908 in words is "twenty-five billion, eight hundred seventy million, nine hundred fifty-seven thousand, nine hundred eight".