117877398 has 16 divisors (see below), whose sum is σ = 239751360. Its totient is φ = 38626376.

The previous prime is 117877393. The next prime is 117877399. The reversal of 117877398 is 893778711.

It is a happy number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 117877398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117877393) by changing a digit.

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, 166140 + ... + 166847.

It is an arithmetic number, because the mean of its divisors is an integer number (14984460).

Almost surely, 2^117877398 is an apocalyptic number.

117877398 is an abundant number, since it is smaller than the sum of its proper divisors (121873962).

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

117877398 is a wasteful number, since it uses less digits than its factorization.

117877398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333051.

The product of its digits is 592704, while the sum is 51.

The square root of 117877398 is about 10857.1358101481. The cubic root of 117877398 is about 490.3168823532.

The spelling of 117877398 in words is "one hundred seventeen million, eight hundred seventy-seven thousand, three hundred ninety-eight".