117924845 has 8 divisors (see below), whose sum is σ = 141649560. Its totient is φ = 94246720.

The previous prime is 117924839. The next prime is 117924871. The reversal of 117924845 is 548429711.

It can be written as a sum of positive squares in 4 ways, for example, as 9223369 + 108701476 = 3037^2 + 10426^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117924845 - 2²⁰ = 116876269 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5810 + ... + 16419.

It is an arithmetic number, because the mean of its divisors is an integer number (17706195).

Almost surely, 2^117924845 is an apocalyptic number.

It is an amenable number.

117924845 is a deficient number, since it is larger than the sum of its proper divisors (23724715).

117924845 is a wasteful number, since it uses less digits than its factorization.

117924845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23295.

The product of its digits is 80640, while the sum is 41.

The square root of 117924845 is about 10859.3206509431. The cubic root of 117924845 is about 490.3826595784.

The spelling of 117924845 in words is "one hundred seventeen million, nine hundred twenty-four thousand, eight hundred forty-five".