117727398 has 32 divisors (see below), whose sum is σ = 270059520. Its totient is φ = 37976040.

The previous prime is 117727391. The next prime is 117727399. The reversal of 117727398 is 893727711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117727391) 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, 33490 + ... + 36837.

It is an arithmetic number, because the mean of its divisors is an integer number (8439360).

Almost surely, 2^117727398 is an apocalyptic number.

117727398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

117727398 is an abundant number, since it is smaller than the sum of its proper divisors (152332122).

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

117727398 is a wasteful number, since it uses less digits than its factorization.

117727398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70369 (or 70363 counting only the distinct ones).

The product of its digits is 148176, while the sum is 45.

The square root of 117727398 is about 10850.2257119380. The cubic root of 117727398 is about 490.1088165936.

The spelling of 117727398 in words is "one hundred seventeen million, seven hundred twenty-seven thousand, three hundred ninety-eight".