820093927 has 2 divisors, whose sum is σ = 820093928. Its totient is φ = 820093926.

The previous prime is 820093921. The next prime is 820093951. The reversal of 820093927 is 729390028.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 820093927 - 2¹¹ = 820091879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 820093927.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (820093921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410046963 + 410046964.

It is an arithmetic number, because the mean of its divisors is an integer number (410046964).

Almost surely, 2^820093927 is an apocalyptic number.

820093927 is a deficient number, since it is larger than the sum of its proper divisors (1).

820093927 is an equidigital number, since it uses as much as digits as its factorization.

820093927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 820093927 is about 28637.2821161506. The cubic root of 820093927 is about 936.0258986521.

The spelling of 820093927 in words is "eight hundred twenty million, ninety-three thousand, nine hundred twenty-seven".