86359879 has 4 divisors (see below), whose sum is σ = 86382184. Its totient is φ = 86337576.

The previous prime is 86359853. The next prime is 86359909. The reversal of 86359879 is 97895368.

It is a happy number.

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 86359879 - 2⁹ = 86359367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86359829) 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, 3672 + ... + 13645.

It is an arithmetic number, because the mean of its divisors is an integer number (21595546).

Almost surely, 2^86359879 is an apocalyptic number.

86359879 is a deficient number, since it is larger than the sum of its proper divisors (22305).

86359879 is a wasteful number, since it uses less digits than its factorization.

86359879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22304.

The product of its digits is 3265920, while the sum is 55.

The square root of 86359879 is about 9293.0016141180. The cubic root of 86359879 is about 442.0153400626.

The spelling of 86359879 in words is "eighty-six million, three hundred fifty-nine thousand, eight hundred seventy-nine".