117089278 has 8 divisors (see below), whose sum is σ = 175692168. Its totient is φ = 58525224.

The previous prime is 117089249. The next prime is 117089279. The reversal of 117089278 is 872980711.

It is a happy number.

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

It is a super-2 number, since 2×117089278² = 27419798045122568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117089279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376 + ... + 15307.

It is an arithmetic number, because the mean of its divisors is an integer number (21961521).

Almost surely, 2^117089278 is an apocalyptic number.

117089278 is a deficient number, since it is larger than the sum of its proper divisors (58602890).

117089278 is a wasteful number, since it uses less digits than its factorization.

117089278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19418.

The product of its (nonzero) digits is 56448, while the sum is 43.

The square root of 117089278 is about 10820.7799164386. The cubic root of 117089278 is about 489.2216965288.

The spelling of 117089278 in words is "one hundred seventeen million, eighty-nine thousand, two hundred seventy-eight".