56787443719 has 2 divisors, whose sum is σ = 56787443720. Its totient is φ = 56787443718.

The previous prime is 56787443681. The next prime is 56787443753. The reversal of 56787443719 is 91734478765.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56787443719 - 2⁷ = 56787443591 is a prime.

It is a super-2 number, since 2×56787443719² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56787447719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28393721859 + 28393721860.

It is an arithmetic number, because the mean of its divisors is an integer number (28393721860).

Almost surely, 2^56787443719 is an apocalyptic number.

56787443719 is a deficient number, since it is larger than the sum of its proper divisors (1).

56787443719 is an equidigital number, since it uses as much as digits as its factorization.

56787443719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35562240, while the sum is 61.

The spelling of 56787443719 in words is "fifty-six billion, seven hundred eighty-seven million, four hundred forty-three thousand, seven hundred nineteen".