56745762471477 has 16 divisors (see below), whose sum is σ = 84124560524160. Its totient is φ = 37804964392800.

The previous prime is 56745762471443. The next prime is 56745762471509. The reversal of 56745762471477 is 77417426754765.

56745762471477 is a `hidden beast` number, since 5 + 6 + 7 + 4 + 57 + 62 + 47 + 1 + 477 = 666.

It is not a de Polignac number, because 56745762471477 - 2⁶ = 56745762471413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56745762471677) 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, 709512649 + ... + 709592622.

It is an arithmetic number, because the mean of its divisors is an integer number (5257785032760).

Almost surely, 2^{56745762471477} is an apocalyptic number.

It is an amenable number.

56745762471477 is a deficient number, since it is larger than the sum of its proper divisors (27378798052683).

56745762471477 is a wasteful number, since it uses less digits than its factorization.

56745762471477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419106761 (or 1419106755 counting only the distinct ones).

The product of its digits is 1936166400, while the sum is 72.

The spelling of 56745762471477 in words is "fifty-six trillion, seven hundred forty-five billion, seven hundred sixty-two million, four hundred seventy-one thousand, four hundred seventy-seven".