86255523 has 12 divisors (see below), whose sum is σ = 129206168. Its totient is φ = 57503520.

The previous prime is 86255471. The next prime is 86255531. The reversal of 86255523 is 32555268.

It is a happy number.

86255523 is a `hidden beast` number, since 8 + 625 + 5 + 5 + 23 = 666.

It is not a de Polignac number, because 86255523 - 2¹⁰ = 86254499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86255563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177238 + ... + 177723.

Almost surely, 2^86255523 is an apocalyptic number.

86255523 is a deficient number, since it is larger than the sum of its proper divisors (42950645).

86255523 is an equidigital number, since it uses as much as digits as its factorization.

86255523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354976 (or 354964 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 86255523 is about 9287.3851540679. The cubic root of 86255523 is about 441.8372267012.

The spelling of 86255523 in words is "eighty-six million, two hundred fifty-five thousand, five hundred twenty-three".