889498697 has 2 divisors, whose sum is σ = 889498698. Its totient is φ = 889498696.

The previous prime is 889498639. The next prime is 889498763. The reversal of 889498697 is 796894988.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 668946496 + 220552201 = 25864^2 + 14851^2 .

It is a cyclic number.

It is not a de Polignac number, because 889498697 - 2²⁶ = 822389833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (889498607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444749348 + 444749349.

It is an arithmetic number, because the mean of its divisors is an integer number (444749349).

Almost surely, 2^889498697 is an apocalyptic number.

It is an amenable number.

889498697 is a deficient number, since it is larger than the sum of its proper divisors (1).

889498697 is an equidigital number, since it uses as much as digits as its factorization.

889498697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62705664, while the sum is 68.

The square root of 889498697 is about 29824.4647395389. The cubic root of 889498697 is about 961.7195371487.

The spelling of 889498697 in words is "eight hundred eighty-nine million, four hundred ninety-eight thousand, six hundred ninety-seven".