117554028 has 24 divisors (see below), whose sum is σ = 274649088. Its totient is φ = 39133776.

The previous prime is 117554027. The next prime is 117554033. The reversal of 117554028 is 820455711.

It is a self number, because there is not a number n which added to its sum of digits gives 117554028.

It is not an unprimeable number, because it can be changed into a prime (117554027) 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, 3925 + ... + 15827.

It is an arithmetic number, because the mean of its divisors is an integer number (11443712).

Almost surely, 2^117554028 is an apocalyptic number.

It is an amenable number.

117554028 is an abundant number, since it is smaller than the sum of its proper divisors (157095060).

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

117554028 is a wasteful number, since it uses less digits than its factorization.

117554028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12733 (or 12731 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 117554028 is about 10842.2335337328. The cubic root of 117554028 is about 489.8681138875.

The spelling of 117554028 in words is "one hundred seventeen million, five hundred fifty-four thousand, twenty-eight".