3115664787 has 8 divisors (see below), whose sum is σ = 4155183360. Its totient is φ = 2076628040.

The previous prime is 3115664759. The next prime is 3115664791. The reversal of 3115664787 is 7874665113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3115664787 - 2²⁸ = 2847229331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3115664687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105087 + ... + 131432.

It is an arithmetic number, because the mean of its divisors is an integer number (519397920).

Almost surely, 2^3115664787 is an apocalyptic number.

3115664787 is a deficient number, since it is larger than the sum of its proper divisors (1039518573).

3115664787 is a wasteful number, since it uses less digits than its factorization.

3115664787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240913.

The product of its digits is 846720, while the sum is 48.

The square root of 3115664787 is about 55818.1403040266. The cubic root of 3115664787 is about 1460.5516128886.

The spelling of 3115664787 in words is "three billion, one hundred fifteen million, six hundred sixty-four thousand, seven hundred eighty-seven".