3879178664 has 8 divisors (see below), whose sum is σ = 7273460010. Its totient is φ = 1939589328.

The previous prime is 3879178637. The next prime is 3879178691. The reversal of 3879178664 is 4668719783.

It is an interprime number because it is at equal distance from previous prime (3879178637) and next prime (3879178691).

It can be written as a sum of positive squares in only one way, i.e., 3591604900 + 287573764 = 59930^2 + 16958^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 242448659 + ... + 242448674.

Almost surely, 2^3879178664 is an apocalyptic number.

It is an amenable number.

3879178664 is a deficient number, since it is larger than the sum of its proper divisors (3394281346).

3879178664 is a wasteful number, since it uses less digits than its factorization.

3879178664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484897339 (or 484897335 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 59.

The square root of 3879178664 is about 62283.0527832411. The cubic root of 3879178664 is about 1571.2547158122.

The spelling of 3879178664 in words is "three billion, eight hundred seventy-nine million, one hundred seventy-eight thousand, six hundred sixty-four".