117117770 has 64 divisors (see below), whose sum is σ = 265939200. Its totient is φ = 36072960.

The previous prime is 117117733. The next prime is 117117787. The reversal of 117117770 is 77711711.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67676 + ... + 69384.

It is an arithmetic number, because the mean of its divisors is an integer number (4155300).

Almost surely, 2^117117770 is an apocalyptic number.

117117770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117117770 is an abundant number, since it is smaller than the sum of its proper divisors (148821430).

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

117117770 is a wasteful number, since it uses less digits than its factorization.

117117770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823.

The product of its (nonzero) digits is 2401, while the sum is 32.

The square root of 117117770 is about 10822.0963773199. The cubic root of 117117770 is about 489.2613750099.

The spelling of 117117770 in words is "one hundred seventeen million, one hundred seventeen thousand, seven hundred seventy".