117698966784 has 432 divisors, whose sum is σ = 415220449280. Its totient is φ = 32539760640.

The previous prime is 117698966771. The next prime is 117698966821. The reversal of 117698966784 is 487669896711.

It is a tau number, because it is divible by the number of its divisors (432).

It is a super-2 number, since 2×117698966784² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13494777 + ... + 13503495.

Almost surely, 2^117698966784 is an apocalyptic number.

117698966784 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117698966784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207610224640).

117698966784 is an abundant number, since it is smaller than the sum of its proper divisors (297521482496).

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

117698966784 is an frugal number, since it uses more digits than its factorization.

117698966784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8788 (or 8762 counting only the distinct ones).

The product of its digits is 219469824, while the sum is 72.

The spelling of 117698966784 in words is "one hundred seventeen billion, six hundred ninety-eight million, nine hundred sixty-six thousand, seven hundred eighty-four".