117993737 has 8 divisors (see below), whose sum is σ = 118898304. Its totient is φ = 117093168.

The previous prime is 117993731. The next prime is 117993751. The reversal of 117993737 is 737399711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117993737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117993691 and 117993700.

It is not an unprimeable number, because it can be changed into a prime (117993731) 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, 82208 + ... + 83630.

It is an arithmetic number, because the mean of its divisors is an integer number (14862288).

Almost surely, 2^117993737 is an apocalyptic number.

It is an amenable number.

117993737 is a deficient number, since it is larger than the sum of its proper divisors (904567).

117993737 is a wasteful number, since it uses less digits than its factorization.

117993737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999.

The product of its digits is 250047, while the sum is 47.

The square root of 117993737 is about 10862.4922094333. The cubic root of 117993737 is about 490.4781352618.

The spelling of 117993737 in words is "one hundred seventeen million, nine hundred ninety-three thousand, seven hundred thirty-seven".