117799739 has 4 divisors (see below), whose sum is σ = 118727424. Its totient is φ = 116872056.

The previous prime is 117799729. The next prime is 117799751. The reversal of 117799739 is 937997711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 117799739 - 2⁸ = 117799483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117799729) 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, 463652 + ... + 463905.

It is an arithmetic number, because the mean of its divisors is an integer number (29681856).

Almost surely, 2^117799739 is an apocalyptic number.

117799739 is a deficient number, since it is larger than the sum of its proper divisors (927685).

117799739 is an equidigital number, since it uses as much as digits as its factorization.

117799739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927684.

The product of its digits is 750141, while the sum is 53.

The square root of 117799739 is about 10853.5588172728. The cubic root of 117799739 is about 490.2091832114.

The spelling of 117799739 in words is "one hundred seventeen million, seven hundred ninety-nine thousand, seven hundred thirty-nine".