3865336722372 has 48 divisors (see below), whose sum is σ = 9412765350912. Its totient is φ = 1232228368800.

The previous prime is 3865336722287. The next prime is 3865336722383. The reversal of 3865336722372 is 2732276335683.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 603247 + ... + 2845097.

It is an arithmetic number, because the mean of its divisors is an integer number (196099278144).

Almost surely, 2^{3865336722372} is an apocalyptic number.

It is an amenable number.

3865336722372 is an abundant number, since it is smaller than the sum of its proper divisors (5547428628540).

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

3865336722372 is a wasteful number, since it uses less digits than its factorization.

3865336722372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248128 (or 2248126 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 57.

It can be divided in two parts, 38653 and 36722372, that added together give a triangular number (36761025 = T₈₅₇₄).

The spelling of 3865336722372 in words is "three trillion, eight hundred sixty-five billion, three hundred thirty-six million, seven hundred twenty-two thousand, three hundred seventy-two".