889975967 has 4 divisors (see below), whose sum is σ = 891923856. Its totient is φ = 888028080.

The previous prime is 889975963. The next prime is 889975969. The reversal of 889975967 is 769579988.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 889975967 - 2² = 889975963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 889975897 and 889975906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889975963) 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, 973259 + ... + 974172.

It is an arithmetic number, because the mean of its divisors is an integer number (222980964).

Almost surely, 2^889975967 is an apocalyptic number.

889975967 is a deficient number, since it is larger than the sum of its proper divisors (1947889).

889975967 is a wasteful number, since it uses less digits than its factorization.

889975967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947888.

The product of its digits is 68584320, while the sum is 68.

The square root of 889975967 is about 29832.4649836382. The cubic root of 889975967 is about 961.8915133474.

The spelling of 889975967 in words is "eight hundred eighty-nine million, nine hundred seventy-five thousand, nine hundred sixty-seven".