117127892 has 48 divisors (see below), whose sum is σ = 250548480. Its totient is φ = 46766592.

The previous prime is 117127877. The next prime is 117127931. The reversal of 117127892 is 298721711.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47834 + ... + 50222.

It is an arithmetic number, because the mean of its divisors is an integer number (5219760).

Almost surely, 2^117127892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117127892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125274240).

117127892 is an abundant number, since it is smaller than the sum of its proper divisors (133420588).

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

117127892 is a wasteful number, since it uses less digits than its factorization.

117127892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520 (or 2518 counting only the distinct ones).

The product of its digits is 14112, while the sum is 38.

The square root of 117127892 is about 10822.5640215247. The cubic root of 117127892 is about 489.2754695434.

The spelling of 117127892 in words is "one hundred seventeen million, one hundred twenty-seven thousand, eight hundred ninety-two".