992768823 has 12 divisors (see below), whose sum is σ = 1436401200. Its totient is φ = 660737376.

The previous prime is 992768813. The next prime is 992768851. The reversal of 992768823 is 328867299.

It is a happy number.

It is not a de Polignac number, because 992768823 - 2⁴ = 992768807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 992768823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992768813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86686 + ... + 97467.

It is an arithmetic number, because the mean of its divisors is an integer number (119700100).

Almost surely, 2^992768823 is an apocalyptic number.

992768823 is a deficient number, since it is larger than the sum of its proper divisors (443632377).

992768823 is a wasteful number, since it uses less digits than its factorization.

992768823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184758 (or 184755 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 992768823 is about 31508.2342094888. The cubic root of 992768823 is about 997.5837742217.

The spelling of 992768823 in words is "nine hundred ninety-two million, seven hundred sixty-eight thousand, eight hundred twenty-three".