117587764944 has 120 divisors (see below), whose sum is σ = 354558287720. Its totient is φ = 36164330496.

The previous prime is 117587764939. The next prime is 117587764949. The reversal of 117587764944 is 449467785711.

117587764944 is a `hidden beast` number, since 1 + 1 + 7 + 587 + 7 + 6 + 4 + 9 + 44 = 666.

It is an interprime number because it is at equal distance from previous prime (117587764939) and next prime (117587764949).

It can be written as a sum of positive squares in 4 ways, for example, as 18060134544 + 99527630400 = 134388^2 + 315480^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117587764949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4459062 + ... + 4485354.

Almost surely, 2^117587764944 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 117587764944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177279143860).

117587764944 is an abundant number, since it is smaller than the sum of its proper divisors (236970522776).

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

117587764944 is a wasteful number, since it uses less digits than its factorization.

117587764944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28709 (or 28700 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 63.

The spelling of 117587764944 in words is "one hundred seventeen billion, five hundred eighty-seven million, seven hundred sixty-four thousand, nine hundred forty-four".