117940564 has 48 divisors (see below), whose sum is σ = 245306880. Its totient is φ = 48545280.

The previous prime is 117940561. The next prime is 117940567. The reversal of 117940564 is 465049711.

It is an interprime number because it is at equal distance from previous prime (117940561) and next prime (117940567).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117940561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273429 + ... + 273859.

It is an arithmetic number, because the mean of its divisors is an integer number (5110560).

Almost surely, 2^117940564 is an apocalyptic number.

117940564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117940564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122653440).

117940564 is an abundant number, since it is smaller than the sum of its proper divisors (127366316).

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

117940564 is a wasteful number, since it uses less digits than its factorization.

117940564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 117940564 is about 10860.0443829664. The cubic root of 117940564 is about 490.4044474172.

The spelling of 117940564 in words is "one hundred seventeen million, nine hundred forty thousand, five hundred sixty-four".