117057278 has 8 divisors (see below), whose sum is σ = 189092568. Its totient is φ = 54026424.

The previous prime is 117057263. The next prime is 117057299. The reversal of 117057278 is 872750711.

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

It is a congruent number.

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, 2251076 + ... + 2251127.

It is an arithmetic number, because the mean of its divisors is an integer number (23636571).

Almost surely, 2^117057278 is an apocalyptic number.

117057278 is a deficient number, since it is larger than the sum of its proper divisors (72035290).

117057278 is a wasteful number, since it uses less digits than its factorization.

117057278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4502218.

The product of its (nonzero) digits is 27440, while the sum is 38.

The square root of 117057278 is about 10819.3011789117. The cubic root of 117057278 is about 489.1771250675.

The spelling of 117057278 in words is "one hundred seventeen million, fifty-seven thousand, two hundred seventy-eight".