86465475 has 72 divisors (see below), whose sum is σ = 164836672. Its totient is φ = 44906400.

The previous prime is 86465473. The next prime is 86465497. The reversal of 86465475 is 57456468.

It is not a de Polignac number, because 86465475 - 2¹ = 86465473 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86465475.

It is not an unprimeable number, because it can be changed into a prime (86465471) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 261060 + ... + 261390.

Almost surely, 2^86465475 is an apocalyptic number.

86465475 is a deficient number, since it is larger than the sum of its proper divisors (78371197).

86465475 is a wasteful number, since it uses less digits than its factorization.

86465475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 382 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 86465475 is about 9298.6813581282. The cubic root of 86465475 is about 442.1954238447.

The spelling of 86465475 in words is "eighty-six million, four hundred sixty-five thousand, four hundred seventy-five".