117052378 has 8 divisors (see below), whose sum is σ = 185906772. Its totient is φ = 55083456.

The previous prime is 117052367. The next prime is 117052379. The reversal of 117052378 is 873250711.

It can be written as a sum of positive squares in 2 ways, for example, as 103897249 + 13155129 = 10193^2 + 3627^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 3442717 = 117052378 / (1 + 1 + 7 + 0 + 5 + 2 + 3 + 7 + 8).

It is not an unprimeable number, because it can be changed into a prime (117052379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1721325 + ... + 1721392.

Almost surely, 2^117052378 is an apocalyptic number.

117052378 is a deficient number, since it is larger than the sum of its proper divisors (68854394).

117052378 is a wasteful number, since it uses less digits than its factorization.

117052378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3442736.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 117052378 is about 10819.0747293842. The cubic root of 117052378 is about 489.1702993454.

The spelling of 117052378 in words is "one hundred seventeen million, fifty-two thousand, three hundred seventy-eight".