117791475 has 48 divisors (see below), whose sum is σ = 208081920. Its totient is φ = 58665600.

The previous prime is 117791467. The next prime is 117791489. The reversal of 117791475 is 574197711.

It is not a de Polignac number, because 117791475 - 2³ = 117791467 is a prime.

It is a hoax number, since the sum of its digits (42) 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 47 ways as a sum of consecutive naturals, for example, 66552 + ... + 68298.

It is an arithmetic number, because the mean of its divisors is an integer number (4335040).

Almost surely, 2^117791475 is an apocalyptic number.

117791475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117791475 is a deficient number, since it is larger than the sum of its proper divisors (90290445).

117791475 is a wasteful number, since it uses less digits than its factorization.

117791475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820 (or 1815 counting only the distinct ones).

The product of its digits is 61740, while the sum is 42.

The square root of 117791475 is about 10853.1781059743. The cubic root of 117791475 is about 490.1977197354.

The spelling of 117791475 in words is "one hundred seventeen million, seven hundred ninety-one thousand, four hundred seventy-five".