117601755777 has 18 divisors (see below), whose sum is σ = 186715737026. Its totient is φ = 71273790720.

The previous prime is 117601755769. The next prime is 117601755781. The reversal of 117601755777 is 777557106711.

117601755777 is a `hidden beast` number, since 1 + 1 + 7 + 6 + 0 + 17 + 557 + 77 = 666.

It can be written as a sum of positive squares in only one way, i.e., 87563319921 + 30038435856 = 295911^2 + 173316^2 .

It is not a de Polignac number, because 117601755777 - 2³ = 117601755769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117601755727) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 53994208 + ... + 53996385.

Almost surely, 2^117601755777 is an apocalyptic number.

It is an amenable number.

117601755777 is a deficient number, since it is larger than the sum of its proper divisors (69113981249).

117601755777 is a wasteful number, since it uses less digits than its factorization.

117601755777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107990621 (or 107990607 counting only the distinct ones).

The product of its (nonzero) digits is 2521050, while the sum is 54.

It can be divided in two parts, 117601 and 755777, that added together give a palindrome (873378).

The spelling of 117601755777 in words is "one hundred seventeen billion, six hundred one million, seven hundred fifty-five thousand, seven hundred seventy-seven".