117785863488 has 112 divisors (see below), whose sum is σ = 314436556800. Its totient is φ = 38910541824.

The previous prime is 117785863483. The next prime is 117785863493. The reversal of 117785863488 is 884368587711.

It is an interprime number because it is at equal distance from previous prime (117785863483) and next prime (117785863493).

It is a super-2 number, since 2×117785863488² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117785863483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29088088 + ... + 29092136.

Almost surely, 2^117785863488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117785863488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157218278400).

117785863488 is an abundant number, since it is smaller than the sum of its proper divisors (196650693312).

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

117785863488 is a wasteful number, since it uses less digits than its factorization.

117785863488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5384 (or 5374 counting only the distinct ones).

The product of its digits is 72253440, while the sum is 66.

The spelling of 117785863488 in words is "one hundred seventeen billion, seven hundred eighty-five million, eight hundred sixty-three thousand, four hundred eighty-eight".