8872712621 has 2 divisors, whose sum is σ = 8872712622. Its totient is φ = 8872712620.

The previous prime is 8872712561. The next prime is 8872712683. The reversal of 8872712621 is 1262172788.

8872712621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8871567721 + 1144900 = 94189^2 + 1070^2 .

It is a cyclic number.

It is not a de Polignac number, because 8872712621 - 2¹⁰ = 8872711597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8872732621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4436356310 + 4436356311.

It is an arithmetic number, because the mean of its divisors is an integer number (4436356311).

Almost surely, 2^8872712621 is an apocalyptic number.

It is an amenable number.

8872712621 is a deficient number, since it is larger than the sum of its proper divisors (1).

8872712621 is an equidigital number, since it uses as much as digits as its factorization.

8872712621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 150528, while the sum is 44.

The square root of 8872712621 is about 94195.0774775413. The cubic root of 8872712621 is about 2070.2309886383.

The spelling of 8872712621 in words is "eight billion, eight hundred seventy-two million, seven hundred twelve thousand, six hundred twenty-one".