117780612 has 24 divisors (see below), whose sum is σ = 281213856. Its totient is φ = 38347008.

The previous prime is 117780599. The next prime is 117780613. The reversal of 117780612 is 216087711.

It is not an unprimeable number, because it can be changed into a prime (117780613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113613 + ... + 114644.

It is an arithmetic number, because the mean of its divisors is an integer number (11717244).

Almost surely, 2^117780612 is an apocalyptic number.

117780612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117780612 is an abundant number, since it is smaller than the sum of its proper divisors (163433244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117780612 is a wasteful number, since it uses less digits than its factorization.

117780612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228307 (or 228305 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 33.

The square root of 117780612 is about 10852.6776419462. The cubic root of 117780612 is about 490.1826502195.

The spelling of 117780612 in words is "one hundred seventeen million, seven hundred eighty thousand, six hundred twelve".