872744468881 has 2 divisors, whose sum is σ = 872744468882. Its totient is φ = 872744468880.

The previous prime is 872744468867. The next prime is 872744468903. The reversal of 872744468881 is 188864447278.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 750720006481 + 122024462400 = 866441^2 + 349320^2 .

It is a cyclic number.

It is not a de Polignac number, because 872744468881 - 2³⁷ = 735305515409 is a prime.

It is a super-2 number, since 2×872744468881² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (872744468851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436372234440 + 436372234441.

It is an arithmetic number, because the mean of its divisors is an integer number (436372234441).

Almost surely, 2^872744468881 is an apocalyptic number.

It is an amenable number.

872744468881 is a deficient number, since it is larger than the sum of its proper divisors (1).

872744468881 is an equidigital number, since it uses as much as digits as its factorization.

872744468881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 154140672, while the sum is 67.

The spelling of 872744468881 in words is "eight hundred seventy-two billion, seven hundred forty-four million, four hundred sixty-eight thousand, eight hundred eighty-one".