86370393942 has 72 divisors (see below), whose sum is σ = 215969451984. Its totient is φ = 24437292192.

The previous prime is 86370393931. The next prime is 86370393973. The reversal of 86370393942 is 24939307368.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1304428 + ... + 1369040.

It is an arithmetic number, because the mean of its divisors is an integer number (2999575722).

Almost surely, 2^86370393942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86370393942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107984725992).

86370393942 is an abundant number, since it is smaller than the sum of its proper divisors (129599058042).

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

86370393942 is a wasteful number, since it uses less digits than its factorization.

86370393942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64834 (or 64728 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 54.

The spelling of 86370393942 in words is "eighty-six billion, three hundred seventy million, three hundred ninety-three thousand, nine hundred forty-two".