788116137977 has 4 divisors (see below), whose sum is σ = 900704157696. Its totient is φ = 675528118260.

The previous prime is 788116137973. The next prime is 788116138021. The reversal of 788116137977 is 779731611887.

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 788116137977 - 2² = 788116137973 is a prime.

It is a super-2 number, since 2×788116137977² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (788116137973) 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, 56294009849 + ... + 56294009862.

It is an arithmetic number, because the mean of its divisors is an integer number (225176039424).

Almost surely, 2^788116137977 is an apocalyptic number.

It is an amenable number.

788116137977 is a deficient number, since it is larger than the sum of its proper divisors (112588019719).

788116137977 is a wasteful number, since it uses less digits than its factorization.

788116137977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112588019718.

The product of its digits is 24893568, while the sum is 65.

The spelling of 788116137977 in words is "seven hundred eighty-eight billion, one hundred sixteen million, one hundred thirty-seven thousand, nine hundred seventy-seven".