117559428 has 36 divisors (see below), whose sum is σ = 319091472. Its totient is φ = 33588240.

The previous prime is 117559427. The next prime is 117559433. The reversal of 117559428 is 824955711.

It is a super-2 number, since 2×117559428² = 27640438223374368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 117559428.

It is not an unprimeable number, because it can be changed into a prime (117559427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99378 + ... + 100553.

It is an arithmetic number, because the mean of its divisors is an integer number (8863652).

Almost surely, 2^117559428 is an apocalyptic number.

It is an amenable number.

117559428 is an abundant number, since it is smaller than the sum of its proper divisors (201532044).

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

117559428 is a wasteful number, since it uses less digits than its factorization.

117559428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199952 (or 199943 counting only the distinct ones).

The product of its digits is 100800, while the sum is 42.

The square root of 117559428 is about 10842.4825570531. The cubic root of 117559428 is about 489.8756146863.

The spelling of 117559428 in words is "one hundred seventeen million, five hundred fifty-nine thousand, four hundred twenty-eight".