3115773728 has 24 divisors (see below), whose sum is σ = 6138252288. Its totient is φ = 1556852544.

The previous prime is 3115773709. The next prime is 3115773743. The reversal of 3115773728 is 8273775113.

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, 17825 + ... + 80927.

It is an arithmetic number, because the mean of its divisors is an integer number (255760512).

Almost surely, 2^3115773728 is an apocalyptic number.

It is an amenable number.

3115773728 is a deficient number, since it is larger than the sum of its proper divisors (3022478560).

3115773728 is a wasteful number, since it uses less digits than its factorization.

3115773728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64656 (or 64648 counting only the distinct ones).

The product of its digits is 246960, while the sum is 44.

The square root of 3115773728 is about 55819.1161520854. The cubic root of 3115773728 is about 1460.5686356975.

The spelling of 3115773728 in words is "three billion, one hundred fifteen million, seven hundred seventy-three thousand, seven hundred twenty-eight".