117738910 has 16 divisors (see below), whose sum is σ = 212286816. Its totient is φ = 47016288.

The previous prime is 117738893. The next prime is 117738913. The reversal of 117738910 is 19837711.

It is a self number, because there is not a number n which added to its sum of digits gives 117738910.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117738913) by changing a digit.

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, 3474 + ... + 15733.

It is an arithmetic number, because the mean of its divisors is an integer number (13267926).

Almost surely, 2^117738910 is an apocalyptic number.

117738910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117738910 is a deficient number, since it is larger than the sum of its proper divisors (94547906).

117738910 is a wasteful number, since it uses less digits than its factorization.

117738910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19827.

The product of its (nonzero) digits is 10584, while the sum is 37.

The square root of 117738910 is about 10850.7561948465. The cubic root of 117738910 is about 490.1247912064.

The spelling of 117738910 in words is "one hundred seventeen million, seven hundred thirty-eight thousand, nine hundred ten".