56976680479 has 2 divisors, whose sum is σ = 56976680480. Its totient is φ = 56976680478.

The previous prime is 56976680441. The next prime is 56976680561. The reversal of 56976680479 is 97408667965.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56976680479 - 2¹³ = 56976672287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56976680879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28488340239 + 28488340240.

It is an arithmetic number, because the mean of its divisors is an integer number (28488340240).

Almost surely, 2^56976680479 is an apocalyptic number.

56976680479 is a deficient number, since it is larger than the sum of its proper divisors (1).

56976680479 is an equidigital number, since it uses as much as digits as its factorization.

56976680479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 137168640, while the sum is 67.

The spelling of 56976680479 in words is "fifty-six billion, nine hundred seventy-six million, six hundred eighty thousand, four hundred seventy-nine".