86465279 has 4 divisors (see below), whose sum is σ = 86523576. Its totient is φ = 86406984.

The previous prime is 86465261. The next prime is 86465321. The reversal of 86465279 is 97256468.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86465279 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 (86465209) 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, 26864 + ... + 29909.

It is an arithmetic number, because the mean of its divisors is an integer number (21630894).

Almost surely, 2^86465279 is an apocalyptic number.

86465279 is a deficient number, since it is larger than the sum of its proper divisors (58297).

86465279 is a wasteful number, since it uses less digits than its factorization.

86465279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58296.

The product of its digits is 725760, while the sum is 47.

The square root of 86465279 is about 9298.6708189934. The cubic root of 86465279 is about 442.1950897214.

The spelling of 86465279 in words is "eighty-six million, four hundred sixty-five thousand, two hundred seventy-nine".