806072890837 has 2 divisors, whose sum is σ = 806072890838. Its totient is φ = 806072890836.

The previous prime is 806072890807. The next prime is 806072890853. The reversal of 806072890837 is 738098270608.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 528181551121 + 277891339716 = 726761^2 + 527154^2 .

It is a cyclic number.

It is not a de Polignac number, because 806072890837 - 2²⁷ = 805938673109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (806072890807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403036445418 + 403036445419.

It is an arithmetic number, because the mean of its divisors is an integer number (403036445419).

Almost surely, 2^806072890837 is an apocalyptic number.

It is an amenable number.

806072890837 is a deficient number, since it is larger than the sum of its proper divisors (1).

806072890837 is an equidigital number, since it uses as much as digits as its factorization.

806072890837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8128512, while the sum is 58.

The spelling of 806072890837 in words is "eight hundred six billion, seventy-two million, eight hundred ninety thousand, eight hundred thirty-seven".