3864375887 has 2 divisors, whose sum is σ = 3864375888. Its totient is φ = 3864375886.

The previous prime is 3864375881. The next prime is 3864375899. The reversal of 3864375887 is 7885734683.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3864375887 - 2⁴ = 3864375871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3864375881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1932187943 + 1932187944.

It is an arithmetic number, because the mean of its divisors is an integer number (1932187944).

Almost surely, 2^3864375887 is an apocalyptic number.

3864375887 is a deficient number, since it is larger than the sum of its proper divisors (1).

3864375887 is an equidigital number, since it uses as much as digits as its factorization.

3864375887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27095040, while the sum is 59.

The square root of 3864375887 is about 62164.1044896490. The cubic root of 3864375887 is about 1569.2535549917.

The spelling of 3864375887 in words is "three billion, eight hundred sixty-four million, three hundred seventy-five thousand, eight hundred eighty-seven".