56863780467577 has 32 divisors (see below), whose sum is σ = 60295018291200. Its totient is φ = 53517284428608.

The previous prime is 56863780467551. The next prime is 56863780467587. The reversal of 56863780467577 is 77576408736865.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56863780467577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (79).

It is a junction number, because it is equal to n+sod(n) for n = 56863780467497 and 56863780467506.

It is not an unprimeable number, because it can be changed into a prime (56863780467587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4823454999 + ... + 4823466787.

It is an arithmetic number, because the mean of its divisors is an integer number (1884219321600).

Almost surely, 2^{56863780467577} is an apocalyptic number.

It is an amenable number.

56863780467577 is a deficient number, since it is larger than the sum of its proper divisors (3431237823623).

56863780467577 is a wasteful number, since it uses less digits than its factorization.

56863780467577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20845.

The product of its (nonzero) digits is 9957427200, while the sum is 79.

The spelling of 56863780467577 in words is "fifty-six trillion, eight hundred sixty-three billion, seven hundred eighty million, four hundred sixty-seven thousand, five hundred seventy-seven".