117451628 has 18 divisors (see below), whose sum is σ = 239098356. Its totient is φ = 50336328.

The previous prime is 117451613. The next prime is 117451661. The reversal of 117451628 is 826154711.

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 5 ways as a sum of consecutive naturals, for example, 299426 + ... + 299817.

It is an arithmetic number, because the mean of its divisors is an integer number (13283242).

Almost surely, 2^117451628 is an apocalyptic number.

It is an amenable number.

117451628 is an abundant number, since it is smaller than the sum of its proper divisors (121646728).

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

117451628 is a wasteful number, since it uses less digits than its factorization.

117451628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599261 (or 599252 counting only the distinct ones).

The product of its digits is 13440, while the sum is 35.

The square root of 117451628 is about 10837.5102306757. The cubic root of 117451628 is about 489.7258330200.

The spelling of 117451628 in words is "one hundred seventeen million, four hundred fifty-one thousand, six hundred twenty-eight".