3157261880 has 16 divisors (see below), whose sum is σ = 7103839320. Its totient is φ = 1262904736.

The previous prime is 3157261853. The next prime is 3157261907. The reversal of 3157261880 is 881627513.

It is an interprime number because it is at equal distance from previous prime (3157261853) and next prime (3157261907).

It is a super-2 number, since 2×3157261880² = 19936605157802268800, which 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, 39465734 + ... + 39465813.

Almost surely, 2^3157261880 is an apocalyptic number.

It is an amenable number.

3157261880 is an abundant number, since it is smaller than the sum of its proper divisors (3946577440).

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

3157261880 is a wasteful number, since it uses less digits than its factorization.

3157261880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78931558 (or 78931554 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 3157261880 is about 56189.5175277382. The cubic root of 3157261880 is about 1467.0228173198.

The spelling of 3157261880 in words is "three billion, one hundred fifty-seven million, two hundred sixty-one thousand, eight hundred eighty".