117469978 has 8 divisors (see below), whose sum is σ = 176359968. Its totient is φ = 58683324.

The previous prime is 117469939. The next prime is 117470011. The reversal of 117469978 is 879964711.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22926 + ... + 27577.

It is an arithmetic number, because the mean of its divisors is an integer number (22044996).

Almost surely, 2^117469978 is an apocalyptic number.

117469978 is a deficient number, since it is larger than the sum of its proper divisors (58889990).

117469978 is a wasteful number, since it uses less digits than its factorization.

117469978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51668.

The product of its digits is 762048, while the sum is 52.

The square root of 117469978 is about 10838.3567942747. The cubic root of 117469978 is about 489.7513357205.

The spelling of 117469978 in words is "one hundred seventeen million, four hundred sixty-nine thousand, nine hundred seventy-eight".