117402653889 has 12 divisors (see below), whose sum is σ = 172781264916. Its totient is φ = 76791672672.

The previous prime is 117402653887. The next prime is 117402653903. The reversal of 117402653889 is 988356204711.

117402653889 is a `hidden beast` number, since 1 + 1 + 7 + 4 + 0 + 26 + 538 + 89 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28970763264 + 88431890625 = 170208^2 + 297375^2 .

It is not a de Polignac number, because 117402653889 - 2¹ = 117402653887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117402653887) 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, 123063102 + ... + 123064055.

It is an arithmetic number, because the mean of its divisors is an integer number (14398438743).

It is a 1-persistent number, because it is pandigital, but 2⋅117402653889 = 234805307778 is not.

Almost surely, 2^117402653889 is an apocalyptic number.

It is an amenable number.

117402653889 is a deficient number, since it is larger than the sum of its proper divisors (55378611027).

117402653889 is a wasteful number, since it uses less digits than its factorization.

117402653889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246127216 (or 246127213 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 117402653889 in words is "one hundred seventeen billion, four hundred two million, six hundred fifty-three thousand, eight hundred eighty-nine".