8647669063 has 32 divisors (see below), whose sum is σ = 10024761600. Its totient is φ = 7377350400.

The previous prime is 8647669031. The next prime is 8647669067. The reversal of 8647669063 is 3609667468.

It is not a de Polignac number, because 8647669063 - 2⁵ = 8647669031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8647668995 and 8647669013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8647669067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13448620 + ... + 13449262.

It is an arithmetic number, because the mean of its divisors is an integer number (313273800).

Almost surely, 2^8647669063 is an apocalyptic number.

8647669063 is a deficient number, since it is larger than the sum of its proper divisors (1377092537).

8647669063 is a wasteful number, since it uses less digits than its factorization.

8647669063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183.

The product of its (nonzero) digits is 7838208, while the sum is 55.

The square root of 8647669063 is about 92992.8441494290. The cubic root of 8647669063 is about 2052.5780820817.

The spelling of 8647669063 in words is "eight billion, six hundred forty-seven million, six hundred sixty-nine thousand, sixty-three".