117487392243840 has 768 divisors, whose sum is σ = 422389112745600. Its totient is φ = 31206279905280.

The previous prime is 117487392243797. The next prime is 117487392243863. The reversal of 117487392243840 is 48342293784711.

It is a happy number.

117487392243840 is a `hidden beast` number, since 1 + 1 + 7 + 4 + 8 + 73 + 92 + 2 + 438 + 40 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 69395978034 + ... + 69395979726.

Almost surely, 2^{117487392243840} is an apocalyptic number.

117487392243840 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 117487392243840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211194556372800).

117487392243840 is an abundant number, since it is smaller than the sum of its proper divisors (304901720501760).

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

117487392243840 is a wasteful number, since it uses less digits than its factorization.

117487392243840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3227 (or 3203 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 63.

The spelling of 117487392243840 in words is "one hundred seventeen trillion, four hundred eighty-seven billion, three hundred ninety-two million, two hundred forty-three thousand, eight hundred forty".