117808627 has 4 divisors (see below), whose sum is σ = 117885376. Its totient is φ = 117731880.

The previous prime is 117808591. The next prime is 117808637. The reversal of 117808627 is 726808711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 726808711 = 2371 ⋅306541.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117808627 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 117808627.

It is not an unprimeable number, because it can be changed into a prime (117808637) 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, 36024 + ... + 39157.

It is an arithmetic number, because the mean of its divisors is an integer number (29471344).

Almost surely, 2^117808627 is an apocalyptic number.

117808627 is a deficient number, since it is larger than the sum of its proper divisors (76749).

117808627 is an equidigital number, since it uses as much as digits as its factorization.

117808627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76748.

The product of its (nonzero) digits is 37632, while the sum is 40.

The square root of 117808627 is about 10853.9682605027. The cubic root of 117808627 is about 490.2215116757.

The spelling of 117808627 in words is "one hundred seventeen million, eight hundred eight thousand, six hundred twenty-seven".