117285680 has 40 divisors (see below), whose sum is σ = 278500032. Its totient is φ = 45914624.

The previous prime is 117285677. The next prime is 117285697. The reversal of 117285680 is 86582711.

It is a tau number, because it is divible by the number of its divisors (40).

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, 11837 + ... + 19356.

Almost surely, 2^117285680 is an apocalyptic number.

117285680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117285680 is an abundant number, since it is smaller than the sum of its proper divisors (161214352).

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

117285680 is a wasteful number, since it uses less digits than its factorization.

117285680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31253 (or 31247 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 38.

The square root of 117285680 is about 10829.8513378532. The cubic root of 117285680 is about 489.4950789382.

The spelling of 117285680 in words is "one hundred seventeen million, two hundred eighty-five thousand, six hundred eighty".