117710028 has 18 divisors (see below), whose sum is σ = 297544884. Its totient is φ = 39236664.

The previous prime is 117710027. The next prime is 117710093. The reversal of 117710028 is 820017711.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 117709983 and 117710010.

It is not an unprimeable number, because it can be changed into a prime (117710027) by changing a digit.

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, 1634826 + ... + 1634897.

Almost surely, 2^117710028 is an apocalyptic number.

117710028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

117710028 is an abundant number, since it is smaller than the sum of its proper divisors (179834856).

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

117710028 is a wasteful number, since it uses less digits than its factorization.

117710028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269733 (or 3269728 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 27.

The square root of 117710028 is about 10849.4252382327. The cubic root of 117710028 is about 490.0847111630.

Adding to 117710028 its reverse (820017711), we get a palindrome (937727739).

The spelling of 117710028 in words is "one hundred seventeen million, seven hundred ten thousand, twenty-eight".