117812436 has 24 divisors (see below), whose sum is σ = 314166720. Its totient is φ = 33660672.

The previous prime is 117812419. The next prime is 117812447. The reversal of 117812436 is 634218711.

It is a junction number, because it is equal to n+sod(n) for n = 117812397 and 117812406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 701181 + ... + 701348.

It is an arithmetic number, because the mean of its divisors is an integer number (13090280).

Almost surely, 2^117812436 is an apocalyptic number.

It is an amenable number.

117812436 is an abundant number, since it is smaller than the sum of its proper divisors (196354284).

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

117812436 is a wasteful number, since it uses less digits than its factorization.

117812436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402543 (or 1402541 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 117812436 is about 10854.1437248638. The cubic root of 117812436 is about 490.2267949153.

The spelling of 117812436 in words is "one hundred seventeen million, eight hundred twelve thousand, four hundred thirty-six".