56785871147 has 2 divisors, whose sum is σ = 56785871148. Its totient is φ = 56785871146.

The previous prime is 56785871119. The next prime is 56785871227. The reversal of 56785871147 is 74117858765.

It is a happy number.

56785871147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56785871147 - 2¹⁰ = 56785870123 is a prime.

It is not a weakly prime, because it can be changed into another prime (56785871347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28392935573 + 28392935574.

It is an arithmetic number, because the mean of its divisors is an integer number (28392935574).

Almost surely, 2^56785871147 is an apocalyptic number.

56785871147 is a deficient number, since it is larger than the sum of its proper divisors (1).

56785871147 is an equidigital number, since it uses as much as digits as its factorization.

56785871147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13171200, while the sum is 59.

The spelling of 56785871147 in words is "fifty-six billion, seven hundred eighty-five million, eight hundred seventy-one thousand, one hundred forty-seven".