992111893 has 2 divisors, whose sum is σ = 992111894. Its totient is φ = 992111892.

The previous prime is 992111851. The next prime is 992111917. The reversal of 992111893 is 398111299.

992111893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 925558929 + 66552964 = 30423^2 + 8158^2 .

It is a cyclic number.

It is not a de Polignac number, because 992111893 - 2¹³ = 992103701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (992111803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496055946 + 496055947.

It is an arithmetic number, because the mean of its divisors is an integer number (496055947).

Almost surely, 2^992111893 is an apocalyptic number.

It is an amenable number.

992111893 is a deficient number, since it is larger than the sum of its proper divisors (1).

992111893 is an equidigital number, since it uses as much as digits as its factorization.

992111893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 43.

The square root of 992111893 is about 31497.8077491117. The cubic root of 992111893 is about 997.3636869611.

The spelling of 992111893 in words is "nine hundred ninety-two million, one hundred eleven thousand, eight hundred ninety-three".