8857722001 has 2 divisors, whose sum is σ = 8857722002. Its totient is φ = 8857722000.

The previous prime is 8857721963. The next prime is 8857722053. The reversal of 8857722001 is 1002277588.

8857722001 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., 7221600400 + 1636121601 = 84980^2 + 40449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8857722001 is a prime.

It is not a weakly prime, because it can be changed into another prime (8857722701) 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, 4428861000 + 4428861001.

It is an arithmetic number, because the mean of its divisors is an integer number (4428861001).

Almost surely, 2^8857722001 is an apocalyptic number.

It is an amenable number.

8857722001 is a deficient number, since it is larger than the sum of its proper divisors (1).

8857722001 is an equidigital number, since it uses as much as digits as its factorization.

8857722001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 8857722001 is about 94115.4716345830. The cubic root of 8857722001 is about 2069.0644329541.

Adding to 8857722001 its reverse (1002277588), we get a palindrome (9859999589).

The spelling of 8857722001 in words is "eight billion, eight hundred fifty-seven million, seven hundred twenty-two thousand, one".