86997012 has 48 divisors (see below), whose sum is σ = 207191040. Its totient is φ = 28405728.

The previous prime is 86997011. The next prime is 86997019. The reversal of 86997012 is 21079968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86997011) 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 15 ways as a sum of consecutive naturals, for example, 154243 + ... + 154805.

It is an arithmetic number, because the mean of its divisors is an integer number (4316480).

Almost surely, 2^86997012 is an apocalyptic number.

It is an amenable number.

86997012 is an abundant number, since it is smaller than the sum of its proper divisors (120194028).

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

86997012 is a wasteful number, since it uses less digits than its factorization.

86997012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 86997012 is about 9327.2188781008. The cubic root of 86997012 is about 443.0996893257.

The spelling of 86997012 in words is "eighty-six million, nine hundred ninety-seven thousand, twelve".