874721458659 has 16 divisors (see below), whose sum is σ = 1167836866560. Its totient is φ = 582377359680.

The previous prime is 874721458649. The next prime is 874721458679. The reversal of 874721458659 is 956854127478.

It is not a de Polignac number, because 874721458659 - 2²⁷ = 874587240931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 874721458659.

It is not an unprimeable number, because it can be changed into a prime (874721458649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6899362 + ... + 7025000.

It is an arithmetic number, because the mean of its divisors is an integer number (72989804160).

Almost surely, 2^874721458659 is an apocalyptic number.

874721458659 is a deficient number, since it is larger than the sum of its proper divisors (293115407901).

874721458659 is a wasteful number, since it uses less digits than its factorization.

874721458659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128690.

The product of its digits is 135475200, while the sum is 66.

The spelling of 874721458659 in words is "eight hundred seventy-four billion, seven hundred twenty-one million, four hundred fifty-eight thousand, six hundred fifty-nine".