889693396988 has 24 divisors (see below), whose sum is σ = 1738005709440. Its totient is φ = 395001295920.

The previous prime is 889693396979. The next prime is 889693396993.

889693396988 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (86).

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, 235117928 + ... + 235121711.

It is an arithmetic number, because the mean of its divisors is an integer number (72416904560).

Almost surely, 2^889693396988 is an apocalyptic number.

It is an amenable number.

889693396988 is a deficient number, since it is larger than the sum of its proper divisors (848312312452).

889693396988 is a wasteful number, since it uses less digits than its factorization.

889693396988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470239697 (or 470239695 counting only the distinct ones).

The product of its digits is 8707129344, while the sum is 86.

The spelling of 889693396988 in words is "eight hundred eighty-nine billion, six hundred ninety-three million, three hundred ninety-six thousand, nine hundred eighty-eight".