8657229988 has 48 divisors (see below), whose sum is σ = 17118864000. Its totient is φ = 3794631680.

The previous prime is 8657229961. The next prime is 8657230013. The reversal of 8657229988 is 8899227568.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1127988 + ... + 1135636.

It is an arithmetic number, because the mean of its divisors is an integer number (356643000).

Almost surely, 2^8657229988 is an apocalyptic number.

It is an amenable number.

8657229988 is a deficient number, since it is larger than the sum of its proper divisors (8461634012).

8657229988 is a wasteful number, since it uses less digits than its factorization.

8657229988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8580 (or 8578 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 64.

The square root of 8657229988 is about 93044.2367264088. The cubic root of 8657229988 is about 2053.3342518291.

The spelling of 8657229988 in words is "eight billion, six hundred fifty-seven million, two hundred twenty-nine thousand, nine hundred eighty-eight".