86512986 has 24 divisors (see below), whose sum is σ = 214222944. Its totient is φ = 24717960.

The previous prime is 86512969. The next prime is 86512991. The reversal of 86512986 is 68921568.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 343180 + ... + 343431.

It is an arithmetic number, because the mean of its divisors is an integer number (8925956).

Almost surely, 2^86512986 is an apocalyptic number.

86512986 is an abundant number, since it is smaller than the sum of its proper divisors (127709958).

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

86512986 is a wasteful number, since it uses less digits than its factorization.

86512986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686626 (or 686623 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 86512986 is about 9301.2357243540. The cubic root of 86512986 is about 442.2764014446.

The spelling of 86512986 in words is "eighty-six million, five hundred twelve thousand, nine hundred eighty-six".