56841247487 has 2 divisors, whose sum is σ = 56841247488. Its totient is φ = 56841247486.

The previous prime is 56841247483. The next prime is 56841247517. The reversal of 56841247487 is 78474214865.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56841247487 - 2² = 56841247483 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56841247483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28420623743 + 28420623744.

It is an arithmetic number, because the mean of its divisors is an integer number (28420623744).

Almost surely, 2^56841247487 is an apocalyptic number.

56841247487 is a deficient number, since it is larger than the sum of its proper divisors (1).

56841247487 is an equidigital number, since it uses as much as digits as its factorization.

56841247487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12042240, while the sum is 56.

The spelling of 56841247487 in words is "fifty-six billion, eight hundred forty-one million, two hundred forty-seven thousand, four hundred eighty-seven".