86243512 has 16 divisors (see below), whose sum is σ = 161805600. Its totient is φ = 43095360.

The previous prime is 86243503. The next prime is 86243513. The reversal of 86243512 is 21534268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86243513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21937 + ... + 25567.

It is an arithmetic number, because the mean of its divisors is an integer number (10112850).

Almost surely, 2^86243512 is an apocalyptic number.

It is an amenable number.

86243512 is a deficient number, since it is larger than the sum of its proper divisors (75562088).

86243512 is a wasteful number, since it uses less digits than its factorization.

86243512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6606 (or 6602 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 86243512 is about 9286.7385017561. The cubic root of 86243512 is about 441.8167172772.

The spelling of 86243512 in words is "eighty-six million, two hundred forty-three thousand, five hundred twelve".