3865035348856 has 32 divisors (see below), whose sum is σ = 7962630076800. Its totient is φ = 1744195148640.

The previous prime is 3865035348851. The next prime is 3865035348859. The reversal of 3865035348856 is 6588435305683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3865035348851) 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, 157976460 + ... + 158000923.

It is an arithmetic number, because the mean of its divisors is an integer number (248832189900).

Almost surely, 2^{3865035348856} is an apocalyptic number.

It is an amenable number.

3865035348856 is an abundant number, since it is smaller than the sum of its proper divisors (4097594727944).

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

3865035348856 is a wasteful number, since it uses less digits than its factorization.

3865035348856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315977539 (or 315977535 counting only the distinct ones).

The product of its (nonzero) digits is 248832000, while the sum is 64.

The spelling of 3865035348856 in words is "three trillion, eight hundred sixty-five billion, thirty-five million, three hundred forty-eight thousand, eight hundred fifty-six".