989792247552 has 36 divisors (see below), whose sum is σ = 2634290827560. Its totient is φ = 329930748928.

The previous prime is 989792247539. The next prime is 989792247557. The reversal of 989792247552 is 255742297989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989792247557) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 644395227 + ... + 644396762.

It is an arithmetic number, because the mean of its divisors is an integer number (73174745210).

Almost surely, 2^989792247552 is an apocalyptic number.

It is an amenable number.

989792247552 is an abundant number, since it is smaller than the sum of its proper divisors (1644498580008).

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

989792247552 is a wasteful number, since it uses less digits than its factorization.

989792247552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288792008 (or 1288791994 counting only the distinct ones).

The product of its digits is 228614400, while the sum is 69.

The spelling of 989792247552 in words is "nine hundred eighty-nine billion, seven hundred ninety-two million, two hundred forty-seven thousand, five hundred fifty-two".