86423663 has 4 divisors (see below), whose sum is σ = 86871648. Its totient is φ = 85975680.

The previous prime is 86423657. The next prime is 86423671. The reversal of 86423663 is 36632468.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86423663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86423063) 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, 223703 + ... + 224088.

It is an arithmetic number, because the mean of its divisors is an integer number (21717912).

Almost surely, 2^86423663 is an apocalyptic number.

86423663 is a deficient number, since it is larger than the sum of its proper divisors (447985).

86423663 is a wasteful number, since it uses less digits than its factorization.

86423663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447984.

The product of its digits is 124416, while the sum is 38.

The square root of 86423663 is about 9296.4328104924. The cubic root of 86423663 is about 442.1241350591.

The spelling of 86423663 in words is "eighty-six million, four hundred twenty-three thousand, six hundred sixty-three".