86624663 has 4 divisors (see below), whose sum is σ = 86820648. Its totient is φ = 86428680.

The previous prime is 86624651. The next prime is 86624683. The reversal of 86624663 is 36642668.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86624663 - 2⁶ = 86624599 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 86624663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86624683) 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, 97328 + ... + 98213.

It is an arithmetic number, because the mean of its divisors is an integer number (21705162).

Almost surely, 2^86624663 is an apocalyptic number.

86624663 is a deficient number, since it is larger than the sum of its proper divisors (195985).

86624663 is a wasteful number, since it uses less digits than its factorization.

86624663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195984.

The product of its digits is 248832, while the sum is 41.

The square root of 86624663 is about 9307.2371303196. The cubic root of 86624663 is about 442.4666266977.

The spelling of 86624663 in words is "eighty-six million, six hundred twenty-four thousand, six hundred sixty-three".