86320643532 has 24 divisors (see below), whose sum is σ = 201728095296. Its totient is φ = 28728796368.

The previous prime is 86320643531. The next prime is 86320643533. The reversal of 86320643532 is 23534602368.

It is an interprime number because it is at equal distance from previous prime (86320643531) and next prime (86320643533).

It is a super-2 number, since 2×86320643532² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86320643531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5585898 + ... + 5601329.

It is an arithmetic number, because the mean of its divisors is an integer number (8405337304).

Almost surely, 2^86320643532 is an apocalyptic number.

It is an amenable number.

86320643532 is an abundant number, since it is smaller than the sum of its proper divisors (115407451764).

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

86320643532 is a wasteful number, since it uses less digits than its factorization.

86320643532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11187877 (or 11187875 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 86320643532 in words is "eighty-six billion, three hundred twenty million, six hundred forty-three thousand, five hundred thirty-two".