86997512 has 16 divisors (see below), whose sum is σ = 186423360. Its totient is φ = 37284624.

The previous prime is 86997511. The next prime is 86997541. The reversal of 86997512 is 21579968.

It is not an unprimeable number, because it can be changed into a prime (86997511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 776708 + ... + 776819.

It is an arithmetic number, because the mean of its divisors is an integer number (11651460).

Almost surely, 2^86997512 is an apocalyptic number.

It is an amenable number.

86997512 is an abundant number, since it is smaller than the sum of its proper divisors (99425848).

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

86997512 is a wasteful number, since it uses less digits than its factorization.

86997512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553540 (or 1553536 counting only the distinct ones).

The product of its digits is 272160, while the sum is 47.

The square root of 86997512 is about 9327.2456813359. The cubic root of 86997512 is about 443.1005382032.

The spelling of 86997512 in words is "eighty-six million, nine hundred ninety-seven thousand, five hundred twelve".