86999320 has 32 divisors (see below), whose sum is σ = 200304720. Its totient is φ = 33989760.

The previous prime is 86999291. The next prime is 86999323. The reversal of 86999320 is 2399968.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86999323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23571 + ... + 27010.

Almost surely, 2^86999320 is an apocalyptic number.

It is an amenable number.

86999320 is an abundant number, since it is smaller than the sum of its proper divisors (113305400).

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

86999320 is a wasteful number, since it uses less digits than its factorization.

86999320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50635 (or 50631 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 86999320 is about 9327.3426011914. The cubic root of 86999320 is about 443.1036077172.

The spelling of 86999320 in words is "eighty-six million, nine hundred ninety-nine thousand, three hundred twenty".