117685028 has 12 divisors (see below), whose sum is σ = 206026380. Its totient is φ = 58820352.

The previous prime is 117685027. The next prime is 117685037. The reversal of 117685028 is 820586711.

It can be written as a sum of positive squares in 2 ways, for example, as 6340324 + 111344704 = 2518^2 + 10552^2 .

It is a super-3 number, since 3×117685028³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 117684982 and 117685000.

It is not an unprimeable number, because it can be changed into a prime (117685027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14300 + ... + 20972.

It is an arithmetic number, because the mean of its divisors is an integer number (17168865).

Almost surely, 2^117685028 is an apocalyptic number.

It is an amenable number.

117685028 is a deficient number, since it is larger than the sum of its proper divisors (88341352).

117685028 is a wasteful number, since it uses less digits than its factorization.

117685028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11086 (or 11084 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 38.

The square root of 117685028 is about 10848.2730422865. The cubic root of 117685028 is about 490.0500129432.

The spelling of 117685028 in words is "one hundred seventeen million, six hundred eighty-five thousand, twenty-eight".