3865277568 has 64 divisors (see below), whose sum is σ = 10505959200. Its totient is φ = 1258457088.

The previous prime is 3865277551. The next prime is 3865277569. The reversal of 3865277568 is 8657725683.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (3865277569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100533 + ... + 133556.

Almost surely, 2^3865277568 is an apocalyptic number.

It is an amenable number.

3865277568 is an abundant number, since it is smaller than the sum of its proper divisors (6640681632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3865277568 is a wasteful number, since it uses less digits than its factorization.

3865277568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234149 (or 234137 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 57.

The square root of 3865277568 is about 62171.3564915549. The cubic root of 3865277568 is about 1569.3755976465.

The spelling of 3865277568 in words is "three billion, eight hundred sixty-five million, two hundred seventy-seven thousand, five hundred sixty-eight".