889434879 has 16 divisors (see below), whose sum is σ = 1191466848. Its totient is φ = 590188032.

The previous prime is 889434869. The next prime is 889434881. The reversal of 889434879 is 978434988.

It is not a de Polignac number, because 889434879 - 2⁹ = 889434367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889434869) 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, 1037419 + ... + 1038275.

It is an arithmetic number, because the mean of its divisors is an integer number (74466678).

Almost surely, 2^889434879 is an apocalyptic number.

889434879 is a deficient number, since it is larger than the sum of its proper divisors (302031969).

889434879 is a wasteful number, since it uses less digits than its factorization.

889434879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074.

The product of its digits is 13934592, while the sum is 60.

The square root of 889434879 is about 29823.3948268805. The cubic root of 889434879 is about 961.6965367457.

The spelling of 889434879 in words is "eight hundred eighty-nine million, four hundred thirty-four thousand, eight hundred seventy-nine".