117689895558 has 24 divisors (see below), whose sum is σ = 255318813048. Its totient is φ = 39180112992.

The previous prime is 117689895541. The next prime is 117689895559. The reversal of 117689895558 is 855598986711.

117689895558 is a `hidden beast` number, since 1 + 1 + 7 + 68 + 9 + 8 + 9 + 5 + 558 = 666.

It is a super-3 number, since 3×117689895558³ (a number of 34 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117689895559) 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, 4139791 + ... + 4168122.

It is an arithmetic number, because the mean of its divisors is an integer number (10638283877).

Almost surely, 2^117689895558 is an apocalyptic number.

117689895558 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

117689895558 is an abundant number, since it is smaller than the sum of its proper divisors (137628917490).

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

117689895558 is a wasteful number, since it uses less digits than its factorization.

117689895558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8308708 (or 8308705 counting only the distinct ones).

The product of its digits is 217728000, while the sum is 72.

The spelling of 117689895558 in words is "one hundred seventeen billion, six hundred eighty-nine million, eight hundred ninety-five thousand, five hundred fifty-eight".