117594978 has 8 divisors (see below), whose sum is σ = 235189968. Its totient is φ = 39198324.

The previous prime is 117594949. The next prime is 117594989. The reversal of 117594978 is 879495711.

It is a happy number.

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

117594978 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 117594978.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9799576 + ... + 9799587.

It is an arithmetic number, because the mean of its divisors is an integer number (29398746).

Almost surely, 2^117594978 is an apocalyptic number.

117594978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

117594978 is a wasteful number, since it uses less digits than its factorization.

117594978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19599168.

The product of its digits is 635040, while the sum is 51.

The square root of 117594978 is about 10844.1218178329. The cubic root of 117594978 is about 489.9249892118.

The spelling of 117594978 in words is "one hundred seventeen million, five hundred ninety-four thousand, nine hundred seventy-eight".