86500645 has 16 divisors (see below), whose sum is σ = 129414528. Its totient is φ = 53922240.

The previous prime is 86500643. The next prime is 86500663. The reversal of 86500645 is 54600568.

It is not a de Polignac number, because 86500645 - 2¹ = 86500643 is a prime.

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 86500645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86500643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111954 + ... + 112723.

It is an arithmetic number, because the mean of its divisors is an integer number (8088408).

Almost surely, 2^86500645 is an apocalyptic number.

It is an amenable number.

86500645 is a deficient number, since it is larger than the sum of its proper divisors (42913883).

86500645 is a wasteful number, since it uses less digits than its factorization.

86500645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224700.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 86500645 is about 9300.5722942193. The cubic root of 86500645 is about 442.2553703336.

The spelling of 86500645 in words is "eighty-six million, five hundred thousand, six hundred forty-five".