86367972852 has 72 divisors (see below), whose sum is σ = 250071022656. Its totient is φ = 24620828544.

The previous prime is 86367972851. The next prime is 86367972853. The reversal of 86367972852 is 25827976368.

It is an interprime number because it is at equal distance from previous prime (86367972851) and next prime (86367972853).

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 86367972852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86367972851) 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, 275193 + ... + 498464.

It is an arithmetic number, because the mean of its divisors is an integer number (3473208648).

Almost surely, 2^86367972852 is an apocalyptic number.

It is an amenable number.

86367972852 is an abundant number, since it is smaller than the sum of its proper divisors (163703049804).

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

86367972852 is a wasteful number, since it uses less digits than its factorization.

86367972852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774117 (or 774112 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The spelling of 86367972852 in words is "eighty-six billion, three hundred sixty-seven million, nine hundred seventy-two thousand, eight hundred fifty-two".