86397259 has 4 divisors (see below), whose sum is σ = 93043216. Its totient is φ = 79751304.

The previous prime is 86397187. The next prime is 86397263. The reversal of 86397259 is 95279368.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86397259 - 2¹⁹ = 85872971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86397659) 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, 3322959 + ... + 3322984.

It is an arithmetic number, because the mean of its divisors is an integer number (23260804).

Almost surely, 2^86397259 is an apocalyptic number.

86397259 is a deficient number, since it is larger than the sum of its proper divisors (6645957).

86397259 is a wasteful number, since it uses less digits than its factorization.

86397259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6645956.

The product of its digits is 816480, while the sum is 49.

The square root of 86397259 is about 9295.0125874041. The cubic root of 86397259 is about 442.0791048197.

The spelling of 86397259 in words is "eighty-six million, three hundred ninety-seven thousand, two hundred fifty-nine".