3865513377 has 32 divisors (see below), whose sum is σ = 5888987136. Its totient is φ = 2232489600.

The previous prime is 3865513361. The next prime is 3865513391. The reversal of 3865513377 is 7733155683.

3865513377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3865513377 - 2⁴ = 3865513361 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3865513307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196293 + ... + 215085.

It is an arithmetic number, because the mean of its divisors is an integer number (184030848).

Almost surely, 2^3865513377 is an apocalyptic number.

It is an amenable number.

3865513377 is a deficient number, since it is larger than the sum of its proper divisors (2023473759).

3865513377 is a wasteful number, since it uses less digits than its factorization.

3865513377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19101.

The product of its digits is 1587600, while the sum is 48.

The square root of 3865513377 is about 62173.2529066961. The cubic root of 3865513377 is about 1569.4075112981.

The spelling of 3865513377 in words is "three billion, eight hundred sixty-five million, five hundred thirteen thousand, three hundred seventy-seven".