117896601880 has 64 divisors (see below), whose sum is σ = 270622684800. Its totient is φ = 46215966720.

The previous prime is 117896601847. The next prime is 117896601881. The reversal of 117896601880 is 88106698711.

It is a happy number.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117896601881) 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, 255745 + ... + 548815.

It is an arithmetic number, because the mean of its divisors is an integer number (4228479450).

Almost surely, 2^117896601880 is an apocalyptic number.

117896601880 is a gapful number since it is divisible by the number (10) 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 117896601880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135311342400).

117896601880 is an abundant number, since it is smaller than the sum of its proper divisors (152726082920).

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

117896601880 is a wasteful number, since it uses less digits than its factorization.

117896601880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293284 (or 293280 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 55.

The spelling of 117896601880 in words is "one hundred seventeen billion, eight hundred ninety-six million, six hundred one thousand, eight hundred eighty".