992198718837 has 12 divisors (see below), whose sum is σ = 1433353647180. Its totient is φ = 661383787968.

The previous prime is 992198718809. The next prime is 992198718839. The reversal of 992198718837 is 738817891299.

It can be written as a sum of positive squares in 2 ways, for example, as 160224878961 + 831973839876 = 400281^2 + 912126^2 .

It is a de Polignac number, because none of the positive numbers 2^k-992198718837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992198718839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6758728 + ... + 6903969.

It is an arithmetic number, because the mean of its divisors is an integer number (119446137265).

Almost surely, 2^992198718837 is an apocalyptic number.

It is an amenable number.

992198718837 is a deficient number, since it is larger than the sum of its proper divisors (441154928343).

992198718837 is a wasteful number, since it uses less digits than its factorization.

992198718837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13670772 (or 13670769 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 72.

The spelling of 992198718837 in words is "nine hundred ninety-two billion, one hundred ninety-eight million, seven hundred eighteen thousand, eight hundred thirty-seven".