117864822 has 16 divisors (see below), whose sum is σ = 235856880. Its totient is φ = 39267072.

The previous prime is 117864751. The next prime is 117864823. The reversal of 117864822 is 228468711.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117864823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10254 + ... + 18462.

It is an arithmetic number, because the mean of its divisors is an integer number (14741055).

Almost surely, 2^117864822 is an apocalyptic number.

117864822 is an abundant number, since it is smaller than the sum of its proper divisors (117992058).

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

117864822 is a wasteful number, since it uses less digits than its factorization.

117864822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10607.

The product of its digits is 43008, while the sum is 39.

The square root of 117864822 is about 10856.5566364294. The cubic root of 117864822 is about 490.2994449011.

The spelling of 117864822 in words is "one hundred seventeen million, eight hundred sixty-four thousand, eight hundred twenty-two".