872744468845 has 16 divisors (see below), whose sum is σ = 1057794104880. Its totient is φ = 691196800000.

The previous prime is 872744468837. The next prime is 872744468851. The reversal of 872744468845 is 548864447278.

It can be written as a sum of positive squares in 8 ways, for example, as 258936464164 + 613808004681 = 508858^2 + 783459^2 .

It is not a de Polignac number, because 872744468845 - 2³ = 872744468837 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 4123095 + ... + 4329595.

It is an arithmetic number, because the mean of its divisors is an integer number (66112131555).

Almost surely, 2^872744468845 is an apocalyptic number.

It is an amenable number.

872744468845 is a deficient number, since it is larger than the sum of its proper divisors (185049636035).

872744468845 is a wasteful number, since it uses less digits than its factorization.

872744468845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214976.

The product of its digits is 385351680, while the sum is 67.

The spelling of 872744468845 in words is "eight hundred seventy-two billion, seven hundred forty-four million, four hundred sixty-eight thousand, eight hundred forty-five".