117774711577 has 4 divisors (see below), whose sum is σ = 117778401040. Its totient is φ = 117771022116.

The previous prime is 117774711563. The next prime is 117774711611. The reversal of 117774711577 is 775117477711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 117774711577 - 2⁷ = 117774711449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117774711517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1796427 + ... + 1860832.

It is an arithmetic number, because the mean of its divisors is an integer number (29444600260).

Almost surely, 2^117774711577 is an apocalyptic number.

It is an amenable number.

117774711577 is a deficient number, since it is larger than the sum of its proper divisors (3689463).

117774711577 is an equidigital number, since it uses as much as digits as its factorization.

117774711577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3689462.

The product of its digits is 2352980, while the sum is 55.

The spelling of 117774711577 in words is "one hundred seventeen billion, seven hundred seventy-four million, seven hundred eleven thousand, five hundred seventy-seven".