3865238717058 has 48 divisors (see below), whose sum is σ = 8456364199296. Its totient is φ = 1275847807680.

The previous prime is 3865238716951. The next prime is 3865238717071. The reversal of 3865238717058 is 8507178325683.

3865238717058 is a `hidden beast` number, since 3 + 86 + 5 + 2 + 387 + 170 + 5 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 3865238716986 and 3865238717004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75693691 + ... + 75744737.

It is an arithmetic number, because the mean of its divisors is an integer number (176174254152).

Almost surely, 2^{3865238717058} is an apocalyptic number.

3865238717058 is an abundant number, since it is smaller than the sum of its proper divisors (4591125482238).

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

3865238717058 is a wasteful number, since it uses less digits than its factorization.

3865238717058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91999 (or 91996 counting only the distinct ones).

The product of its (nonzero) digits is 67737600, while the sum is 63.

The spelling of 3865238717058 in words is "three trillion, eight hundred sixty-five billion, two hundred thirty-eight million, seven hundred seventeen thousand, fifty-eight".