117390399 has 8 divisors (see below), whose sum is σ = 178880640. Its totient is φ = 67080216.

The previous prime is 117390391. The next prime is 117390431. The reversal of 117390399 is 993093711.

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

It is not a de Polignac number, because 117390399 - 2³ = 117390391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117390399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117390391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2794989 + ... + 2795030.

It is an arithmetic number, because the mean of its divisors is an integer number (22360080).

Almost surely, 2^117390399 is an apocalyptic number.

117390399 is a deficient number, since it is larger than the sum of its proper divisors (61490241).

117390399 is an equidigital number, since it uses as much as digits as its factorization.

117390399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5590029.

The product of its (nonzero) digits is 45927, while the sum is 42.

The square root of 117390399 is about 10834.6849977284. The cubic root of 117390399 is about 489.6407181643.

The spelling of 117390399 in words is "one hundred seventeen million, three hundred ninety thousand, three hundred ninety-nine".