117786396672 has 192 divisors, whose sum is σ = 398757340800. Its totient is φ = 33653145600.

The previous prime is 117786396641. The next prime is 117786396677. The reversal of 117786396672 is 276693687711.

117786396672 is a `hidden beast` number, since 1 + 177 + 8 + 6 + 396 + 6 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (63).

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

It is not an unprimeable number, because it can be changed into a prime (117786396677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234922 + ... + 539222.

It is an arithmetic number, because the mean of its divisors is an integer number (2076861150).

Almost surely, 2^117786396672 is an apocalyptic number.

117786396672 is a gapful number since it is divisible by the number (12) 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 117786396672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199378670400).

117786396672 is an abundant number, since it is smaller than the sum of its proper divisors (280970944128).

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

117786396672 is an equidigital number, since it uses as much as digits as its factorization.

117786396672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304339 (or 304313 counting only the distinct ones).

The product of its digits is 32006016, while the sum is 63.

The spelling of 117786396672 in words is "one hundred seventeen billion, seven hundred eighty-six million, three hundred ninety-six thousand, six hundred seventy-two".