117826772736 has 144 divisors (see below), whose sum is σ = 316563927680. Its totient is φ = 38904606720.

The previous prime is 117826772719. The next prime is 117826772737. The reversal of 117826772736 is 637277628711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117826772737) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 60954426 + ... + 60956358.

Almost surely, 2^117826772736 is an apocalyptic number.

117826772736 is a gapful number since it is divisible by the number (16) 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 117826772736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158281963840).

117826772736 is an abundant number, since it is smaller than the sum of its proper divisors (198737154944).

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

117826772736 is a wasteful number, since it uses less digits than its factorization.

117826772736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662 (or 2648 counting only the distinct ones).

The product of its digits is 8297856, while the sum is 57.

The spelling of 117826772736 in words is "one hundred seventeen billion, eight hundred twenty-six million, seven hundred seventy-two thousand, seven hundred thirty-six".