117516719 has 4 divisors (see below), whose sum is σ = 117598080. Its totient is φ = 117435360.

The previous prime is 117516697. The next prime is 117516739. The reversal of 117516719 is 917615711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 917615711 = 41 ⋅22380871.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117516719 is a prime.

It is a super-2 number, since 2×117516719² = 27620358489049922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117516739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38474 + ... + 41415.

It is an arithmetic number, because the mean of its divisors is an integer number (29399520).

Almost surely, 2^117516719 is an apocalyptic number.

117516719 is a deficient number, since it is larger than the sum of its proper divisors (81361).

117516719 is an equidigital number, since it uses as much as digits as its factorization.

117516719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81360.

The product of its digits is 13230, while the sum is 38.

The square root of 117516719 is about 10840.5128568717. The cubic root of 117516719 is about 489.8162840364.

The spelling of 117516719 in words is "one hundred seventeen million, five hundred sixteen thousand, seven hundred nineteen".