889972337 has 4 divisors (see below), whose sum is σ = 890976576. Its totient is φ = 888968100.

The previous prime is 889972313. The next prime is 889972351. The reversal of 889972337 is 733279988.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 889972337 - 2⁸ = 889972081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (889972537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500789 + ... + 502562.

It is an arithmetic number, because the mean of its divisors is an integer number (222744144).

Almost surely, 2^889972337 is an apocalyptic number.

It is an amenable number.

889972337 is a deficient number, since it is larger than the sum of its proper divisors (1004239).

889972337 is a wasteful number, since it uses less digits than its factorization.

889972337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004238.

The product of its digits is 4572288, while the sum is 56.

The square root of 889972337 is about 29832.4041438165. The cubic root of 889972337 is about 961.8902055702.

The spelling of 889972337 in words is "eight hundred eighty-nine million, nine hundred seventy-two thousand, three hundred thirty-seven".