3861870804584 has 96 divisors (see below), whose sum is σ = 8296306171200. Its totient is φ = 1679839948800.

The previous prime is 3861870804581. The next prime is 3861870804593. The reversal of 3861870804584 is 4854080781683.

It is a super-2 number, since 2×3861870804584² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3861870804581) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4568309 + ... + 5347259.

It is an arithmetic number, because the mean of its divisors is an integer number (86419855950).

Almost surely, 2^{3861870804584} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3861870804584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4148153085600).

3861870804584 is an abundant number, since it is smaller than the sum of its proper divisors (4434435366616).

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

3861870804584 is a wasteful number, since it uses less digits than its factorization.

3861870804584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779195 (or 779178 counting only the distinct ones).

The product of its (nonzero) digits is 41287680, while the sum is 62.

The spelling of 3861870804584 in words is "three trillion, eight hundred sixty-one billion, eight hundred seventy million, eight hundred four thousand, five hundred eighty-four".