86387575 has 12 divisors (see below), whose sum is σ = 107272648. Its totient is φ = 69012000.

The previous prime is 86387573. The next prime is 86387579. The reversal of 86387575 is 57578368.

It is not a de Polignac number, because 86387575 - 2¹ = 86387573 is a prime.

It is a super-2 number, since 2×86387575² = 14925626228761250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86387573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19300 + ... + 23350.

Almost surely, 2^86387575 is an apocalyptic number.

86387575 is a deficient number, since it is larger than the sum of its proper divisors (20885073).

86387575 is a wasteful number, since it uses less digits than its factorization.

86387575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4914 (or 4909 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 49.

The square root of 86387575 is about 9294.4916482829. The cubic root of 86387575 is about 442.0625871120.

The spelling of 86387575 in words is "eighty-six million, three hundred eighty-seven thousand, five hundred seventy-five".