117956845 has 8 divisors (see below), whose sum is σ = 148998240. Its totient is φ = 89398800.

The previous prime is 117956837. The next prime is 117956873. The reversal of 117956845 is 548659711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117956845 - 2³ = 117956837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117956795 and 117956804.

It is a congruent number.

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, 620731 + ... + 620920.

It is an arithmetic number, because the mean of its divisors is an integer number (18624780).

Almost surely, 2^117956845 is an apocalyptic number.

It is an amenable number.

117956845 is a deficient number, since it is larger than the sum of its proper divisors (31041395).

117956845 is a wasteful number, since it uses less digits than its factorization.

117956845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241675.

The product of its digits is 302400, while the sum is 46.

The square root of 117956845 is about 10860.7939396713. The cubic root of 117956845 is about 490.4270121938.

The spelling of 117956845 in words is "one hundred seventeen million, nine hundred fifty-six thousand, eight hundred forty-five".