117768894 has 32 divisors (see below), whose sum is σ = 252214560. Its totient is φ = 36529152.

The previous prime is 117768853. The next prime is 117768953. The reversal of 117768894 is 498867711.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2592 + ... + 15564.

It is an arithmetic number, because the mean of its divisors is an integer number (7881705).

Almost surely, 2^117768894 is an apocalyptic number.

117768894 is an abundant number, since it is smaller than the sum of its proper divisors (134445666).

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

117768894 is a wasteful number, since it uses less digits than its factorization.

117768894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13084.

The product of its digits is 677376, while the sum is 51.

The square root of 117768894 is about 10852.1377617500. The cubic root of 117768894 is about 490.1663935801.

The spelling of 117768894 in words is "one hundred seventeen million, seven hundred sixty-eight thousand, eight hundred ninety-four".