8861331688 has 32 divisors (see below), whose sum is σ = 18294867360. Its totient is φ = 3990230080.

The previous prime is 8861331653. The next prime is 8861331691.

8861331688 is nontrivially palindromic in base 10.

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, 461131 + ... + 479962.

It is an arithmetic number, because the mean of its divisors is an integer number (571714605).

Almost surely, 2^8861331688 is an apocalyptic number.

8861331688 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8861331688 is an abundant number, since it is smaller than the sum of its proper divisors (9433535672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8861331688 is a wasteful number, since it uses less digits than its factorization.

8861331688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941217 (or 941213 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 52.

The square root of 8861331688 is about 94134.6465866845. The cubic root of 8861331688 is about 2069.3454555719.

The spelling of 8861331688 in words is "eight billion, eight hundred sixty-one million, three hundred thirty-one thousand, six hundred eighty-eight".