117074855 has 4 divisors (see below), whose sum is σ = 140489832. Its totient is φ = 93659880.

The previous prime is 117074851. The next prime is 117074863. The reversal of 117074855 is 558470711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 558470711 = 37 ⋅15093803.

It is not a de Polignac number, because 117074855 - 2² = 117074851 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117074851) 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, 11707481 + ... + 11707490.

It is an arithmetic number, because the mean of its divisors is an integer number (35122458).

Almost surely, 2^117074855 is an apocalyptic number.

117074855 is a deficient number, since it is larger than the sum of its proper divisors (23414977).

117074855 is an equidigital number, since it uses as much as digits as its factorization.

117074855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23414976.

The product of its (nonzero) digits is 39200, while the sum is 38.

The square root of 117074855 is about 10820.1134467250. The cubic root of 117074855 is about 489.2016083409.

The spelling of 117074855 in words is "one hundred seventeen million, seventy-four thousand, eight hundred fifty-five".