992443304977 has 8 divisors (see below), whose sum is σ = 993069360360. Its totient is φ = 991817352960.

The previous prime is 992443304969. The next prime is 992443305013. The reversal of 992443304977 is 779403344299.

It can be written as a sum of positive squares in 4 ways, for example, as 44232819856 + 948210485121 = 210316^2 + 973761^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 992443304977 - 2³ = 992443304969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (992443374977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28956783 + ... + 28991035.

It is an arithmetic number, because the mean of its divisors is an integer number (124133670045).

Almost surely, 2^992443304977 is an apocalyptic number.

It is an amenable number.

992443304977 is a deficient number, since it is larger than the sum of its proper divisors (626055383).

992443304977 is a wasteful number, since it uses less digits than its factorization.

992443304977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51683.

The product of its (nonzero) digits is 41150592, while the sum is 61.

The spelling of 992443304977 in words is "nine hundred ninety-two billion, four hundred forty-three million, three hundred four thousand, nine hundred seventy-seven".