889570497 has 16 divisors (see below), whose sum is σ = 1210178880. Its totient is φ = 581036352.

The previous prime is 889570489. The next prime is 889570523. The reversal of 889570497 is 794075988.

It is not a de Polignac number, because 889570497 - 2³ = 889570489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (889570417) 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, 121579 + ... + 128687.

It is an arithmetic number, because the mean of its divisors is an integer number (75636180).

Almost surely, 2^889570497 is an apocalyptic number.

It is an amenable number.

889570497 is a deficient number, since it is larger than the sum of its proper divisors (320608383).

889570497 is a wasteful number, since it uses less digits than its factorization.

889570497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7952.

The product of its (nonzero) digits is 5080320, while the sum is 57.

The square root of 889570497 is about 29825.6684250328. The cubic root of 889570497 is about 961.7454129988.

The spelling of 889570497 in words is "eight hundred eighty-nine million, five hundred seventy thousand, four hundred ninety-seven".