117154828 has 48 divisors (see below), whose sum is σ = 245403648. Its totient is φ = 47880000.

The previous prime is 117154811. The next prime is 117154861. The reversal of 117154828 is 828451711.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60678 + ... + 62578.

It is an arithmetic number, because the mean of its divisors is an integer number (5112576).

Almost surely, 2^117154828 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 117154828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122701824).

117154828 is an abundant number, since it is smaller than the sum of its proper divisors (128248820).

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

117154828 is a wasteful number, since it uses less digits than its factorization.

117154828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014 (or 2012 counting only the distinct ones).

The product of its digits is 17920, while the sum is 37.

The square root of 117154828 is about 10823.8083870697. The cubic root of 117154828 is about 489.3129730326.

The spelling of 117154828 in words is "one hundred seventeen million, one hundred fifty-four thousand, eight hundred twenty-eight".