86575473 has 20 divisors (see below), whose sum is σ = 134954688. Its totient is φ = 55206360.

The previous prime is 86575471. The next prime is 86575493. The reversal of 86575473 is 37457568.

86575473 is a `hidden beast` number, since 8 + 6 + 575 + 4 + 73 = 666.

It is not a de Polignac number, because 86575473 - 2¹ = 86575471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86575471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21373 + ... + 25098.

Almost surely, 2^86575473 is an apocalyptic number.

It is an amenable number.

86575473 is a deficient number, since it is larger than the sum of its proper divisors (48379215).

86575473 is a wasteful number, since it uses less digits than its factorization.

86575473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46506 (or 46497 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 86575473 is about 9304.5941878193. The cubic root of 86575473 is about 442.3828589667.

The spelling of 86575473 in words is "eighty-six million, five hundred seventy-five thousand, four hundred seventy-three".