86500544 has 28 divisors (see below), whose sum is σ = 184855104. Its totient is φ = 39922944.

The previous prime is 86500543. The next prime is 86500577. The reversal of 86500544 is 44500568.

It is a super-2 number, since 2×86500544² = 14964688224591872, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 86500544.

It is not an unprimeable number, because it can be changed into a prime (86500543) 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, 51152 + ... + 52815.

It is an arithmetic number, because the mean of its divisors is an integer number (6601968).

Almost surely, 2^86500544 is an apocalyptic number.

It is an amenable number.

86500544 is an abundant number, since it is smaller than the sum of its proper divisors (98354560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86500544 is a wasteful number, since it uses less digits than its factorization.

86500544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103992 (or 103982 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 86500544 is about 9300.5668644443. The cubic root of 86500544 is about 442.2551982046.

The spelling of 86500544 in words is "eighty-six million, five hundred thousand, five hundred forty-four".