117857106 has 80 divisors (see below), whose sum is σ = 281850624. Its totient is φ = 36723456.

The previous prime is 117857081. The next prime is 117857111. The reversal of 117857106 is 601758711.

It is a happy number.

117857106 is a `hidden beast` number, since 11 + 78 + 571 + 0 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 174786 + ... + 175458.

Almost surely, 2^117857106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117857106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140925312).

117857106 is an abundant number, since it is smaller than the sum of its proper divisors (163993518).

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

117857106 is a wasteful number, since it uses less digits than its factorization.

117857106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 36.

The square root of 117857106 is about 10856.2012693207. The cubic root of 117857106 is about 490.2887455451.

The spelling of 117857106 in words is "one hundred seventeen million, eight hundred fifty-seven thousand, one hundred six".