117428668 has 24 divisors (see below), whose sum is σ = 235412352. Its totient is φ = 50207664.

The previous prime is 117428659. The next prime is 117428669. The reversal of 117428668 is 866824711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117428669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7671 + ... + 17137.

It is an arithmetic number, because the mean of its divisors is an integer number (9808848).

Almost surely, 2^117428668 is an apocalyptic number.

It is an amenable number.

117428668 is an abundant number, since it is smaller than the sum of its proper divisors (117983684).

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

117428668 is a wasteful number, since it uses less digits than its factorization.

117428668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9921 (or 9919 counting only the distinct ones).

The product of its digits is 129024, while the sum is 43.

The square root of 117428668 is about 10836.4508950117. The cubic root of 117428668 is about 489.6939196327.

The spelling of 117428668 in words is "one hundred seventeen million, four hundred twenty-eight thousand, six hundred sixty-eight".