2085458797 has 2 divisors, whose sum is σ = 2085458798. Its totient is φ = 2085458796.

The previous prime is 2085458779. The next prime is 2085458813. The reversal of 2085458797 is 7978545802.

Together with previous prime (2085458779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1795301641 + 290157156 = 42371^2 + 17034^2 .

It is a cyclic number.

It is not a de Polignac number, because 2085458797 - 2¹¹ = 2085456749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2085458777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1042729398 + 1042729399.

It is an arithmetic number, because the mean of its divisors is an integer number (1042729399).

Almost surely, 2^2085458797 is an apocalyptic number.

It is an amenable number.

2085458797 is a deficient number, since it is larger than the sum of its proper divisors (1).

2085458797 is an equidigital number, since it uses as much as digits as its factorization.

2085458797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5644800, while the sum is 55.

The square root of 2085458797 is about 45666.8238111651. The cubic root of 2085458797 is about 1277.6165764611.

The spelling of 2085458797 in words is "two billion, eighty-five million, four hundred fifty-eight thousand, seven hundred ninety-seven".