86670465 has 48 divisors (see below), whose sum is σ = 165724992. Its totient is φ = 38537856.

The previous prime is 86670449. The next prime is 86670487. The reversal of 86670465 is 56407668.

It is a happy number.

It is not a de Polignac number, because 86670465 - 2⁴ = 86670449 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25602 + ... + 28788.

It is an arithmetic number, because the mean of its divisors is an integer number (3452604).

Almost surely, 2^86670465 is an apocalyptic number.

It is an amenable number.

86670465 is a deficient number, since it is larger than the sum of its proper divisors (79054527).

86670465 is a wasteful number, since it uses less digits than its factorization.

86670465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3246 (or 3239 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 86670465 is about 9309.6973635022. The cubic root of 86670465 is about 442.5445963544.

The spelling of 86670465 in words is "eighty-six million, six hundred seventy thousand, four hundred sixty-five".