8647976632 has 32 divisors (see below), whose sum is σ = 16930116000. Its totient is φ = 4133505024.

The previous prime is 8647976621. The next prime is 8647976647. The reversal of 8647976632 is 2366797468.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313744 + ... + 340192.

It is an arithmetic number, because the mean of its divisors is an integer number (529066125).

Almost surely, 2^8647976632 is an apocalyptic number.

It is an amenable number.

8647976632 is a deficient number, since it is larger than the sum of its proper divisors (8282139368).

8647976632 is a wasteful number, since it uses less digits than its factorization.

8647976632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28255 (or 28251 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 58.

The square root of 8647976632 is about 92994.4978587443. The cubic root of 8647976632 is about 2052.6024162655.

The spelling of 8647976632 in words is "eight billion, six hundred forty-seven million, nine hundred seventy-six thousand, six hundred thirty-two".