117812328 has 32 divisors (see below), whose sum is σ = 296688960. Its totient is φ = 38983040.

The previous prime is 117812281. The next prime is 117812333. The reversal of 117812328 is 823218711.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14628 + ... + 21203.

It is an arithmetic number, because the mean of its divisors is an integer number (9271530).

Almost surely, 2^117812328 is an apocalyptic number.

It is an amenable number.

117812328 is an abundant number, since it is smaller than the sum of its proper divisors (178876632).

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

117812328 is a wasteful number, since it uses less digits than its factorization.

117812328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35977 (or 35973 counting only the distinct ones).

The product of its digits is 5376, while the sum is 33.

The square root of 117812328 is about 10854.1387498042. The cubic root of 117812328 is about 490.2266451165.

The spelling of 117812328 in words is "one hundred seventeen million, eight hundred twelve thousand, three hundred twenty-eight".