56679816967 has 2 divisors, whose sum is σ = 56679816968. Its totient is φ = 56679816966.

The previous prime is 56679816899. The next prime is 56679817003. The reversal of 56679816967 is 76961897665.

56679816967 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56679816967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56679816896 and 56679816905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56679811967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28339908483 + 28339908484.

It is an arithmetic number, because the mean of its divisors is an integer number (28339908484).

Almost surely, 2^56679816967 is an apocalyptic number.

56679816967 is a deficient number, since it is larger than the sum of its proper divisors (1).

56679816967 is an equidigital number, since it uses as much as digits as its factorization.

56679816967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 205752960, while the sum is 70.

The spelling of 56679816967 in words is "fifty-six billion, six hundred seventy-nine million, eight hundred sixteen thousand, nine hundred sixty-seven".