117339778 has 4 divisors (see below), whose sum is σ = 176009670. Its totient is φ = 58669888.

The previous prime is 117339773. The next prime is 117339779. The reversal of 117339778 is 877933711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 113486409 + 3853369 = 10653^2 + 1963^2 .

It is not an unprimeable number, because it can be changed into a prime (117339773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29334943 + ... + 29334946.

Almost surely, 2^117339778 is an apocalyptic number.

117339778 is a deficient number, since it is larger than the sum of its proper divisors (58669892).

117339778 is an equidigital number, since it uses as much as digits as its factorization.

117339778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58669891.

The product of its digits is 222264, while the sum is 46.

The square root of 117339778 is about 10832.3486834573. The cubic root of 117339778 is about 489.5703272106.

The spelling of 117339778 in words is "one hundred seventeen million, three hundred thirty-nine thousand, seven hundred seventy-eight".