86492087 has 16 divisors (see below), whose sum is σ = 96375552. Its totient is φ = 76965120.

The previous prime is 86492071. The next prime is 86492093. The reversal of 86492087 is 78029468.

It is a cyclic number.

It is not a de Polignac number, because 86492087 - 2⁴ = 86492071 is a prime.

It is a super-2 number, since 2×86492087² = 14961762227231138, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86492017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109508 + ... + 110294.

It is an arithmetic number, because the mean of its divisors is an integer number (6023472).

Almost surely, 2^86492087 is an apocalyptic number.

86492087 is a deficient number, since it is larger than the sum of its proper divisors (9883465).

86492087 is a wasteful number, since it uses less digits than its factorization.

86492087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 86492087 is about 9300.1122036242. The cubic root of 86492087 is about 442.2407849076.

The spelling of 86492087 in words is "eighty-six million, four hundred ninety-two thousand, eighty-seven".