117555628 has 12 divisors (see below), whose sum is σ = 207610480. Its totient is φ = 58238352.

The previous prime is 117555541. The next prime is 117555637. The reversal of 117555628 is 826555711.

It is a happy number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134376 + ... + 135247.

Almost surely, 2^117555628 is an apocalyptic number.

It is an amenable number.

117555628 is a deficient number, since it is larger than the sum of its proper divisors (90054852).

117555628 is a wasteful number, since it uses less digits than its factorization.

117555628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269736 (or 269734 counting only the distinct ones).

The product of its digits is 84000, while the sum is 40.

The square root of 117555628 is about 10842.3073190166. The cubic root of 117555628 is about 489.8703363704.

The spelling of 117555628 in words is "one hundred seventeen million, five hundred fifty-five thousand, six hundred twenty-eight".