3117740856 has 32 divisors (see below), whose sum is σ = 8204582400. Its totient is φ = 984549600.

The previous prime is 3117740839. The next prime is 3117740861. The reversal of 3117740856 is 6580477113.

It is a super-2 number, since 2×3117740856² = 19440616090343225472, 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 7 ways as a sum of consecutive naturals, for example, 3418120 + ... + 3419031.

It is an arithmetic number, because the mean of its divisors is an integer number (256393200).

Almost surely, 2^3117740856 is an apocalyptic number.

It is an amenable number.

3117740856 is an abundant number, since it is smaller than the sum of its proper divisors (5086841544).

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

3117740856 is a wasteful number, since it uses less digits than its factorization.

3117740856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6837179 (or 6837175 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 3117740856 is about 55836.7339302721. The cubic root of 3117740856 is about 1460.8759452432.

The spelling of 3117740856 in words is "three billion, one hundred seventeen million, seven hundred forty thousand, eight hundred fifty-six".