117789630 has 64 divisors (see below), whose sum is σ = 329702400. Its totient is φ = 26920992.

The previous prime is 117789629. The next prime is 117789641. The reversal of 117789630 is 36987711.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent 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, 4567 + ... + 16013.

It is an arithmetic number, because the mean of its divisors is an integer number (5151600).

Almost surely, 2^117789630 is an apocalyptic number.

117789630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 117789630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164851200).

117789630 is an abundant number, since it is smaller than the sum of its proper divisors (211912770).

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

117789630 is a wasteful number, since it uses less digits than its factorization.

117789630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11478 (or 11464 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 117789630 is about 10853.0931074971. The cubic root of 117789630 is about 490.1951603552.

The spelling of 117789630 in words is "one hundred seventeen million, seven hundred eighty-nine thousand, six hundred thirty".