989861562796 has 12 divisors (see below), whose sum is σ = 1807573288752. Its totient is φ = 473412051728.

The previous prime is 989861562731. The next prime is 989861562817. The reversal of 989861562796 is 697265168989.

989861562796 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5379682315 + ... + 5379682498.

It is an arithmetic number, because the mean of its divisors is an integer number (150631107396).

Almost surely, 2^989861562796 is an apocalyptic number.

It is an amenable number.

989861562796 is a deficient number, since it is larger than the sum of its proper divisors (817711725956).

989861562796 is a wasteful number, since it uses less digits than its factorization.

989861562796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10759364840 (or 10759364838 counting only the distinct ones).

The product of its digits is 705438720, while the sum is 76.

The spelling of 989861562796 in words is "nine hundred eighty-nine billion, eight hundred sixty-one million, five hundred sixty-two thousand, seven hundred ninety-six".