117239784 has 32 divisors (see below), whose sum is σ = 294054720. Its totient is φ = 38952576.

The previous prime is 117239783. The next prime is 117239807. The reversal of 117239784 is 487932711.

It is not an unprimeable number, because it can be changed into a prime (117239783) 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 7 ways as a sum of consecutive naturals, for example, 292 + ... + 15315.

It is an arithmetic number, because the mean of its divisors is an integer number (9189210).

Almost surely, 2^117239784 is an apocalyptic number.

It is an amenable number.

117239784 is an abundant number, since it is smaller than the sum of its proper divisors (176814936).

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

117239784 is a wasteful number, since it uses less digits than its factorization.

117239784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15929 (or 15925 counting only the distinct ones).

The product of its digits is 84672, while the sum is 42.

The square root of 117239784 is about 10827.7321725281. The cubic root of 117239784 is about 489.4312211930.

The spelling of 117239784 in words is "one hundred seventeen million, two hundred thirty-nine thousand, seven hundred eighty-four".