117883428 has 24 divisors (see below), whose sum is σ = 296220288. Its totient is φ = 36271776.

The previous prime is 117883427. The next prime is 117883453. The reversal of 117883428 is 824388711.

It is a self number, because there is not a number n which added to its sum of digits gives 117883428.

It is not an unprimeable number, because it can be changed into a prime (117883427) 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, 377676 + ... + 377987.

It is an arithmetic number, because the mean of its divisors is an integer number (12342512).

Almost surely, 2^117883428 is an apocalyptic number.

It is an amenable number.

117883428 is an abundant number, since it is smaller than the sum of its proper divisors (178336860).

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

117883428 is a wasteful number, since it uses less digits than its factorization.

117883428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755683 (or 755681 counting only the distinct ones).

The product of its digits is 86016, while the sum is 42.

The square root of 117883428 is about 10857.4135041455. The cubic root of 117883428 is about 490.3252429053.

The spelling of 117883428 in words is "one hundred seventeen million, eight hundred eighty-three thousand, four hundred twenty-eight".