889267138 has 4 divisors (see below), whose sum is σ = 1333900710. Its totient is φ = 444633568.

The previous prime is 889267129. The next prime is 889267153. The reversal of 889267138 is 831762988.

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

It can be written as a sum of positive squares in only one way, i.e., 864536409 + 24730729 = 29403^2 + 4973^2 .

It is a super-2 number, since 2×889267138² = 1581592085453422088, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222316783 + ... + 222316786.

Almost surely, 2^889267138 is an apocalyptic number.

889267138 is a deficient number, since it is larger than the sum of its proper divisors (444633572).

889267138 is a wasteful number, since it uses less digits than its factorization.

889267138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444633571.

The product of its digits is 1161216, while the sum is 52.

The square root of 889267138 is about 29820.5824557469. The cubic root of 889267138 is about 961.6360766024.

The spelling of 889267138 in words is "eight hundred eighty-nine million, two hundred sixty-seven thousand, one hundred thirty-eight".