8657655663 has 16 divisors (see below), whose sum is σ = 11662227936. Its totient is φ = 5712470400.

The previous prime is 8657655623. The next prime is 8657655673. The reversal of 8657655663 is 3665567568.

It is not a de Polignac number, because 8657655663 - 2¹² = 8657651567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8657655613) 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, 1431081 + ... + 1437117.

It is an arithmetic number, because the mean of its divisors is an integer number (728889246).

Almost surely, 2^8657655663 is an apocalyptic number.

8657655663 is a deficient number, since it is larger than the sum of its proper divisors (3004572273).

8657655663 is a wasteful number, since it uses less digits than its factorization.

8657655663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10874.

The product of its digits is 27216000, while the sum is 57.

The square root of 8657655663 is about 93046.5241854848. The cubic root of 8657655663 is about 2053.3679053470.

The spelling of 8657655663 in words is "eight billion, six hundred fifty-seven million, six hundred fifty-five thousand, six hundred sixty-three".