889234399864 has 32 divisors (see below), whose sum is σ = 1683629101440. Its totient is φ = 440267292000.

The previous prime is 889234399831. The next prime is 889234399931. The reversal of 889234399864 is 468993432988.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13688019 + ... + 13752829.

It is an arithmetic number, because the mean of its divisors is an integer number (52613409420).

Almost surely, 2^889234399864 is an apocalyptic number.

It is an amenable number.

889234399864 is a deficient number, since it is larger than the sum of its proper divisors (794394701576).

889234399864 is a wasteful number, since it uses less digits than its factorization.

889234399864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81571 (or 81567 counting only the distinct ones).

The product of its digits is 644972544, while the sum is 73.

The spelling of 889234399864 in words is "eight hundred eighty-nine billion, two hundred thirty-four million, three hundred ninety-nine thousand, eight hundred sixty-four".