927816997 has 2 divisors, whose sum is σ = 927816998. Its totient is φ = 927816996.

The previous prime is 927816979. The next prime is 927817057. The reversal of 927816997 is 799618729.

It is a happy number.

Together with previous prime (927816979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 927446116 + 370881 = 30454^2 + 609^2 .

It is a cyclic number.

It is not a de Polignac number, because 927816997 - 2¹¹ = 927814949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (927817997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 463908498 + 463908499.

It is an arithmetic number, because the mean of its divisors is an integer number (463908499).

Almost surely, 2^927816997 is an apocalyptic number.

It is an amenable number.

927816997 is a deficient number, since it is larger than the sum of its proper divisors (1).

927816997 is an equidigital number, since it uses as much as digits as its factorization.

927816997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3429216, while the sum is 58.

The square root of 927816997 is about 30460.0885914667. The cubic root of 927816997 is about 975.3356712294.

The spelling of 927816997 in words is "nine hundred twenty-seven million, eight hundred sixteen thousand, nine hundred ninety-seven".