889771393 has 16 divisors (see below), whose sum is σ = 1051693056. Its totient is φ = 736647120.

The previous prime is 889771357. The next prime is 889771411. The reversal of 889771393 is 393177988.

It is a cyclic number.

It is not a de Polignac number, because 889771393 - 2⁹ = 889770881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (889771303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118530 + ... + 125812.

It is an arithmetic number, because the mean of its divisors is an integer number (65730816).

Almost surely, 2^889771393 is an apocalyptic number.

It is an amenable number.

889771393 is a deficient number, since it is larger than the sum of its proper divisors (161921663).

889771393 is a wasteful number, since it uses less digits than its factorization.

889771393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7884.

The product of its digits is 2286144, while the sum is 55.

The square root of 889771393 is about 29829.0360722568. The cubic root of 889771393 is about 961.8178060860.

The spelling of 889771393 in words is "eight hundred eighty-nine million, seven hundred seventy-one thousand, three hundred ninety-three".