117648894 has 16 divisors (see below), whose sum is σ = 256688640. Its totient is φ = 35651160.

The previous prime is 117648889. The next prime is 117648901. The reversal of 117648894 is 498846711.

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, 891214 + ... + 891345.

It is an arithmetic number, because the mean of its divisors is an integer number (16043040).

Almost surely, 2^117648894 is an apocalyptic number.

117648894 is an abundant number, since it is smaller than the sum of its proper divisors (139039746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117648894 is a wasteful number, since it uses less digits than its factorization.

117648894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782575.

The product of its digits is 387072, while the sum is 48.

The square root of 117648894 is about 10846.6074880582. The cubic root of 117648894 is about 489.9998528391. Note that the first 3 decimals are identical.

The spelling of 117648894 in words is "one hundred seventeen million, six hundred forty-eight thousand, eight hundred ninety-four".