117132378 has 32 divisors (see below), whose sum is σ = 269015040. Its totient is φ = 33626160.

The previous prime is 117132373. The next prime is 117132391. The reversal of 117132378 is 873231711.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (117132373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45450 + ... + 47957.

It is an arithmetic number, because the mean of its divisors is an integer number (8406720).

Almost surely, 2^117132378 is an apocalyptic number.

117132378 is an abundant number, since it is smaller than the sum of its proper divisors (151882662).

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

117132378 is a wasteful number, since it uses less digits than its factorization.

117132378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93442.

The product of its digits is 7056, while the sum is 33.

The square root of 117132378 is about 10822.7712717215. The cubic root of 117132378 is about 489.2817158829.

The spelling of 117132378 in words is "one hundred seventeen million, one hundred thirty-two thousand, three hundred seventy-eight".