889470797 has 2 divisors, whose sum is σ = 889470798. Its totient is φ = 889470796.

The previous prime is 889470773. The next prime is 889470809. The reversal of 889470797 is 797074988.

889470797 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 can be written as a sum of positive squares in only one way, i.e., 566154436 + 323316361 = 23794^2 + 17981^2 .

It is a cyclic number.

It is not a de Polignac number, because 889470797 - 2²⁸ = 621035341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (889470767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444735398 + 444735399.

It is an arithmetic number, because the mean of its divisors is an integer number (444735399).

Almost surely, 2^889470797 is an apocalyptic number.

It is an amenable number.

889470797 is a deficient number, since it is larger than the sum of its proper divisors (1).

889470797 is an equidigital number, since it uses as much as digits as its factorization.

889470797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7112448, while the sum is 59.

The square root of 889470797 is about 29823.9969990610. The cubic root of 889470797 is about 961.7094819510.

The spelling of 889470797 in words is "eight hundred eighty-nine million, four hundred seventy thousand, seven hundred ninety-seven".