117786796888 has 8 divisors (see below), whose sum is σ = 220850244180. Its totient is φ = 58893398440.

The previous prime is 117786796879. The next prime is 117786796889. The reversal of 117786796888 is 888697687711.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×117786796888² (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 (117786796889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7361674798 + ... + 7361674813.

Almost surely, 2^117786796888 is an apocalyptic number.

It is an amenable number.

117786796888 is a deficient number, since it is larger than the sum of its proper divisors (103063447292).

117786796888 is a wasteful number, since it uses less digits than its factorization.

117786796888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14723349617 (or 14723349613 counting only the distinct ones).

The product of its digits is 455196672, while the sum is 76.

The spelling of 117786796888 in words is "one hundred seventeen billion, seven hundred eighty-six million, seven hundred ninety-six thousand, eight hundred eighty-eight".