3864375881 has 2 divisors, whose sum is σ = 3864375882. Its totient is φ = 3864375880.

The previous prime is 3864375871. The next prime is 3864375887. The reversal of 3864375881 is 1885734683.

3864375881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3380375881 + 484000000 = 58141^2 + 22000^2 .

It is a cyclic number.

It is not a de Polignac number, because 3864375881 - 2³⁰ = 2790634057 is a prime.

It is a super-2 number, since 2×3864375881² = 29866801899309052322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3864375887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1932187940 + 1932187941.

It is an arithmetic number, because the mean of its divisors is an integer number (1932187941).

Almost surely, 2^3864375881 is an apocalyptic number.

It is an amenable number.

3864375881 is a deficient number, since it is larger than the sum of its proper divisors (1).

3864375881 is an equidigital number, since it uses as much as digits as its factorization.

3864375881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3870720, while the sum is 53.

The square root of 3864375881 is about 62164.1044413896. The cubic root of 3864375881 is about 1569.2535541796.

The spelling of 3864375881 in words is "three billion, eight hundred sixty-four million, three hundred seventy-five thousand, eight hundred eighty-one".