3120884687 has 4 divisors (see below), whose sum is σ = 3129827400. Its totient is φ = 3111941976.

The previous prime is 3120884671. The next prime is 3120884713. The reversal of 3120884687 is 7864880213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3120884687 - 2⁴ = 3120884671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120886687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4470833 + ... + 4471530.

It is an arithmetic number, because the mean of its divisors is an integer number (782456850).

Almost surely, 2^3120884687 is an apocalyptic number.

3120884687 is a deficient number, since it is larger than the sum of its proper divisors (8942713).

3120884687 is an equidigital number, since it uses as much as digits as its factorization.

3120884687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8942712.

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 3120884687 is about 55864.8788327693. The cubic root of 3120884687 is about 1461.3668139452.

The spelling of 3120884687 in words is "three billion, one hundred twenty million, eight hundred eighty-four thousand, six hundred eighty-seven".