56777283471789 has 16 divisors (see below), whose sum is σ = 85059600710400. Its totient is φ = 37426224309408.

The previous prime is 56777283471767. The next prime is 56777283471823. The reversal of 56777283471789 is 98717438277765.

56777283471789 is a `hidden beast` number, since 5 + 6 + 7 + 7 + 72 + 8 + 3 + 471 + 78 + 9 = 666.

It is not a de Polignac number, because 56777283471789 - 2⁸ = 56777283471533 is a prime.

It is a super-2 number, since 2×56777283471789² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (81) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56777283471739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11813831029 + ... + 11813835834.

It is an arithmetic number, because the mean of its divisors is an integer number (5316225044400).

Almost surely, 2^{56777283471789} is an apocalyptic number.

It is an amenable number.

56777283471789 is a deficient number, since it is larger than the sum of its proper divisors (28282317238611).

56777283471789 is a wasteful number, since it uses less digits than its factorization.

56777283471789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23627666961 (or 23627666955 counting only the distinct ones).

The product of its digits is 6970199040, while the sum is 81.

The spelling of 56777283471789 in words is "fifty-six trillion, seven hundred seventy-seven billion, two hundred eighty-three million, four hundred seventy-one thousand, seven hundred eighty-nine".