117857630 has 48 divisors (see below), whose sum is σ = 234707760. Its totient is φ = 42577920.

The previous prime is 117857603. The next prime is 117857671. The reversal of 117857630 is 36758711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310781 + ... + 311159.

It is an arithmetic number, because the mean of its divisors is an integer number (4889745).

Almost surely, 2^117857630 is an apocalyptic number.

117857630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117857630 is a deficient number, since it is larger than the sum of its proper divisors (116850130).

117857630 is a wasteful number, since it uses less digits than its factorization.

117857630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 117857630 is about 10856.2254029658. The cubic root of 117857630 is about 490.2894721621.

The spelling of 117857630 in words is "one hundred seventeen million, eight hundred fifty-seven thousand, six hundred thirty".