86491712 has 28 divisors (see below), whose sum is σ = 172705776. Its totient is φ = 42975360.

The previous prime is 86491711. The next prime is 86491729. The reversal of 86491712 is 21719468.

It is not an unprimeable number, because it can be changed into a prime (86491711) 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, 6287 + ... + 14577.

Almost surely, 2^86491712 is an apocalyptic number.

It is an amenable number.

86491712 is a deficient number, since it is larger than the sum of its proper divisors (86214064).

86491712 is a wasteful number, since it uses less digits than its factorization.

86491712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8466 (or 8456 counting only the distinct ones).

The product of its digits is 24192, while the sum is 38.

The square root of 86491712 is about 9300.0920425553. The cubic root of 86491712 is about 442.2401457719.

The spelling of 86491712 in words is "eighty-six million, four hundred ninety-one thousand, seven hundred twelve".