874721458679 has 2 divisors, whose sum is σ = 874721458680. Its totient is φ = 874721458678.

The previous prime is 874721458649. The next prime is 874721458697. The reversal of 874721458679 is 976854127478.

Together with next prime (874721458697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 874721458679 - 2⁸ = 874721458423 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (874721458649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437360729339 + 437360729340.

It is an arithmetic number, because the mean of its divisors is an integer number (437360729340).

Almost surely, 2^874721458679 is an apocalyptic number.

874721458679 is a deficient number, since it is larger than the sum of its proper divisors (1).

874721458679 is an equidigital number, since it uses as much as digits as its factorization.

874721458679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189665280, while the sum is 68.

The spelling of 874721458679 in words is "eight hundred seventy-four billion, seven hundred twenty-one million, four hundred fifty-eight thousand, six hundred seventy-nine".