86923773624 has 64 divisors (see below), whose sum is σ = 222397747200. Its totient is φ = 28298731904.

The previous prime is 86923773611. The next prime is 86923773637. The reversal of 86923773624 is 42637732968.

It is an interprime number because it is at equal distance from previous prime (86923773611) and next prime (86923773637).

It is a congruent number.

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, 459874 + ... + 620750.

It is an arithmetic number, because the mean of its divisors is an integer number (3474964800).

Almost surely, 2^86923773624 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 86923773624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111198873600).

86923773624 is an abundant number, since it is smaller than the sum of its proper divisors (135473973576).

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

86923773624 is a wasteful number, since it uses less digits than its factorization.

86923773624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161412 (or 161408 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 57.

The spelling of 86923773624 in words is "eighty-six billion, nine hundred twenty-three million, seven hundred seventy-three thousand, six hundred twenty-four".