117339997 has 4 divisors (see below), whose sum is σ = 122441760. Its totient is φ = 112238236.

The previous prime is 117339983. The next prime is 117340009. The reversal of 117339997 is 799933711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 799933711 = 509 ⋅1571579.

It is a cyclic number.

It is not a de Polignac number, because 117339997 - 2⁷ = 117339869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117339997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117339977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2550847 + ... + 2550892.

It is an arithmetic number, because the mean of its divisors is an integer number (30610440).

Almost surely, 2^117339997 is an apocalyptic number.

It is an amenable number.

117339997 is a deficient number, since it is larger than the sum of its proper divisors (5101763).

117339997 is an equidigital number, since it uses as much as digits as its factorization.

117339997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5101762.

The product of its digits is 321489, while the sum is 49.

The square root of 117339997 is about 10832.3587920637. The cubic root of 117339997 is about 489.5706317844.

It can be divided in two parts, 117339 and 997, that added together give a square (118336 = 344²).

The spelling of 117339997 in words is "one hundred seventeen million, three hundred thirty-nine thousand, nine hundred ninety-seven".