8663346572 has 12 divisors (see below), whose sum is σ = 15161508936. Its totient is φ = 4331486880.

The previous prime is 8663346563. The next prime is 8663346599. The reversal of 8663346572 is 2756433668.

It is a self number, because there is not a number n which added to its sum of digits gives 8663346572.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152168 + ... + 201200.

It is an arithmetic number, because the mean of its divisors is an integer number (1263459078).

Almost surely, 2^8663346572 is an apocalyptic number.

It is an amenable number.

8663346572 is a deficient number, since it is larger than the sum of its proper divisors (6498162364).

8663346572 is a wasteful number, since it uses less digits than its factorization.

8663346572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93208 (or 93206 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 50.

The square root of 8663346572 is about 93077.1001482105. The cubic root of 8663346572 is about 2053.8177180476.

The spelling of 8663346572 in words is "eight billion, six hundred sixty-three million, three hundred forty-six thousand, five hundred seventy-two".