86446079 has 4 divisors (see below), whose sum is σ = 86468184. Its totient is φ = 86423976.

The previous prime is 86446069. The next prime is 86446091. The reversal of 86446079 is 97064468.

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 86446079 - 2⁸ = 86445823 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 (86446069) 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, 3437 + ... + 13590.

It is an arithmetic number, because the mean of its divisors is an integer number (21617046).

Almost surely, 2^86446079 is an apocalyptic number.

86446079 is a deficient number, since it is larger than the sum of its proper divisors (22105).

86446079 is a wasteful number, since it uses less digits than its factorization.

86446079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22104.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 86446079 is about 9297.6383560558. The cubic root of 86446079 is about 442.1623568360.

The spelling of 86446079 in words is "eighty-six million, four hundred forty-six thousand, seventy-nine".