117566677890 has 48 divisors (see below), whose sum is σ = 306554347008. Its totient is φ = 31260756768.

The previous prime is 117566677883. The next prime is 117566677919. The reversal of 117566677890 is 98776665711.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1851042 + ... + 1913501.

It is an arithmetic number, because the mean of its divisors is an integer number (6386548896).

Almost surely, 2^117566677890 is an apocalyptic number.

117566677890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117566677890 is an abundant number, since it is smaller than the sum of its proper divisors (188987669118).

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

117566677890 is a wasteful number, since it uses less digits than its factorization.

117566677890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3764903 (or 3764900 counting only the distinct ones).

The product of its (nonzero) digits is 26671680, while the sum is 63.

The spelling of 117566677890 in words is "one hundred seventeen billion, five hundred sixty-six million, six hundred seventy-seven thousand, eight hundred ninety".