117785212 has 6 divisors (see below), whose sum is σ = 206124128. Its totient is φ = 58892604.

The previous prime is 117785209. The next prime is 117785233. The reversal of 117785212 is 212587711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14723148 + ... + 14723155.

Almost surely, 2^117785212 is an apocalyptic number.

It is an amenable number.

117785212 is a deficient number, since it is larger than the sum of its proper divisors (88338916).

117785212 is a wasteful number, since it uses less digits than its factorization.

117785212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29446307 (or 29446305 counting only the distinct ones).

The product of its digits is 7840, while the sum is 34.

The square root of 117785212 is about 10852.8895691424. The cubic root of 117785212 is about 490.1890316060.

The spelling of 117785212 in words is "one hundred seventeen million, seven hundred eighty-five thousand, two hundred twelve".