992968831 has 2 divisors, whose sum is σ = 992968832. Its totient is φ = 992968830.

The previous prime is 992968829. The next prime is 992968883. The reversal of 992968831 is 138869299.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 992968831 - 2¹ = 992968829 is a prime.

It is a super-2 number, since 2×992968831² = 1971974198675013122, which contains 22 as substring.

Together with 992968829, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (992968331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496484415 + 496484416.

It is an arithmetic number, because the mean of its divisors is an integer number (496484416).

Almost surely, 2^992968831 is an apocalyptic number.

992968831 is a deficient number, since it is larger than the sum of its proper divisors (1).

992968831 is an equidigital number, since it uses as much as digits as its factorization.

992968831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1679616, while the sum is 55.

The square root of 992968831 is about 31511.4079501377. The cubic root of 992968831 is about 997.6507624045.

The spelling of 992968831 in words is "nine hundred ninety-two million, nine hundred sixty-eight thousand, eight hundred thirty-one".