56777834997 has 24 divisors (see below), whose sum is σ = 90708139704. Its totient is φ = 33995873664.

The previous prime is 56777834959. The next prime is 56777835017. The reversal of 56777834997 is 79943877765.

56777834997 is a `hidden beast` number, since 5 + 67 + 7 + 78 + 3 + 499 + 7 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 235653201 + 56542181796 = 15351^2 + 237786^2 .

It is not a de Polignac number, because 56777834997 - 2⁸ = 56777834741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56777834497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6553518 + ... + 6562175.

It is an arithmetic number, because the mean of its divisors is an integer number (3779505821).

Almost surely, 2^56777834997 is an apocalyptic number.

It is an amenable number.

56777834997 is a deficient number, since it is larger than the sum of its proper divisors (33930304707).

56777834997 is a wasteful number, since it uses less digits than its factorization.

56777834997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13115749 (or 13115746 counting only the distinct ones).

The product of its digits is 560105280, while the sum is 72.

The spelling of 56777834997 in words is "fifty-six billion, seven hundred seventy-seven million, eight hundred thirty-four thousand, nine hundred ninety-seven".