889222189087 has 2 divisors, whose sum is σ = 889222189088. Its totient is φ = 889222189086.

The previous prime is 889222189007. The next prime is 889222189147. The reversal of 889222189087 is 780981222988.

889222189087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 889222189087 - 2³⁵ = 854862450719 is a prime.

It is a super-2 number, since 2×889222189087² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (889222189007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444611094543 + 444611094544.

It is an arithmetic number, because the mean of its divisors is an integer number (444611094544).

Almost surely, 2^889222189087 is an apocalyptic number.

889222189087 is a deficient number, since it is larger than the sum of its proper divisors (1).

889222189087 is an equidigital number, since it uses as much as digits as its factorization.

889222189087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18579456, while the sum is 64.

The spelling of 889222189087 in words is "eight hundred eighty-nine billion, two hundred twenty-two million, one hundred eighty-nine thousand, eighty-seven".