117976390 has 32 divisors (see below), whose sum is σ = 250527744. Its totient is φ = 39143520.

The previous prime is 117976367. The next prime is 117976399. The reversal of 117976390 is 93679711.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117976399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25014 + ... + 29353.

It is an arithmetic number, because the mean of its divisors is an integer number (7828992).

Almost surely, 2^117976390 is an apocalyptic number.

117976390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117976390 is an abundant number, since it is smaller than the sum of its proper divisors (132551354).

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

117976390 is a wasteful number, since it uses less digits than its factorization.

117976390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54412.

The product of its (nonzero) digits is 71442, while the sum is 43.

The square root of 117976390 is about 10861.6936984984. The cubic root of 117976390 is about 490.4540979939.

The spelling of 117976390 in words is "one hundred seventeen million, nine hundred seventy-six thousand, three hundred ninety".