117989630 has 16 divisors (see below), whose sum is σ = 231688944. Its totient is φ = 42905280.

The previous prime is 117989629. The next prime is 117989647. The reversal of 117989630 is 36989711.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 536207 + ... + 536426.

It is an arithmetic number, because the mean of its divisors is an integer number (14480559).

Almost surely, 2^117989630 is an apocalyptic number.

117989630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117989630 is a deficient number, since it is larger than the sum of its proper divisors (113699314).

117989630 is a wasteful number, since it uses less digits than its factorization.

117989630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072651.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 117989630 is about 10862.3031627735. The cubic root of 117989630 is about 490.4724445161.

It can be divided in two parts, 1179 and 89630, that added together give a palindrome (90809).

The spelling of 117989630 in words is "one hundred seventeen million, nine hundred eighty-nine thousand, six hundred thirty".