56777726188 has 6 divisors (see below), whose sum is σ = 99361020836. Its totient is φ = 28388863092.

The previous prime is 56777726129. The next prime is 56777726189. The reversal of 56777726188 is 88162777765.

It is a super-2 number, since 2×56777726188² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56777726189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7097215770 + ... + 7097215777.

Almost surely, 2^56777726188 is an apocalyptic number.

It is an amenable number.

56777726188 is a deficient number, since it is larger than the sum of its proper divisors (42583294648).

56777726188 is a wasteful number, since it uses less digits than its factorization.

56777726188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14194431551 (or 14194431549 counting only the distinct ones).

The product of its digits is 55319040, while the sum is 64.

The spelling of 56777726188 in words is "fifty-six billion, seven hundred seventy-seven million, seven hundred twenty-six thousand, one hundred eighty-eight".