3868930879 has 16 divisors (see below), whose sum is σ = 4509118080. Its totient is φ = 3282348960.

The previous prime is 3868930867. The next prime is 3868930927. The reversal of 3868930879 is 9780398683.

It is a de Polignac number, because none of the positive numbers 2^k-3868930879 is a prime.

It is a super-2 number, since 2×3868930879² = 29937252292959425282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3868930829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124144 + ... + 152149.

It is an arithmetic number, because the mean of its divisors is an integer number (281819880).

Almost surely, 2^3868930879 is an apocalyptic number.

3868930879 is a deficient number, since it is larger than the sum of its proper divisors (640187201).

3868930879 is a wasteful number, since it uses less digits than its factorization.

3868930879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276390.

The product of its (nonzero) digits is 15676416, while the sum is 61.

The square root of 3868930879 is about 62200.7305342952. The cubic root of 3868930879 is about 1569.8698796781.

The spelling of 3868930879 in words is "three billion, eight hundred sixty-eight million, nine hundred thirty thousand, eight hundred seventy-nine".