989706883824 has 100 divisors (see below), whose sum is σ = 2883469620240. Its totient is φ = 327717446400.

The previous prime is 989706883801. The next prime is 989706883853. The reversal of 989706883824 is 428388607989.

It is a super-2 number, since 2×989706883824² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2332989 + ... + 2724380.

Almost surely, 2^989706883824 is an apocalyptic number.

It is an amenable number.

989706883824 is an abundant number, since it is smaller than the sum of its proper divisors (1893762736416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

989706883824 is a wasteful number, since it uses less digits than its factorization.

989706883824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5057540 (or 5057525 counting only the distinct ones).

The product of its (nonzero) digits is 334430208, while the sum is 72.

The spelling of 989706883824 in words is "nine hundred eighty-nine billion, seven hundred six million, eight hundred eighty-three thousand, eight hundred twenty-four".