807056897 has 2 divisors, whose sum is σ = 807056898. Its totient is φ = 807056896.

The previous prime is 807056869. The next prime is 807056909. The reversal of 807056897 is 798650708.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 806048881 + 1008016 = 28391^2 + 1004^2 .

It is a cyclic number.

It is not a de Polignac number, because 807056897 - 2⁸ = 807056641 is a prime.

It is not a weakly prime, because it can be changed into another prime (807056807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403528448 + 403528449.

It is an arithmetic number, because the mean of its divisors is an integer number (403528449).

Almost surely, 2^807056897 is an apocalyptic number.

It is an amenable number.

807056897 is a deficient number, since it is larger than the sum of its proper divisors (1).

807056897 is an equidigital number, since it uses as much as digits as its factorization.

807056897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 50.

The square root of 807056897 is about 28408.7468396619. The cubic root of 807056897 is about 931.0393809706.

The spelling of 807056897 in words is "eight hundred seven million, fifty-six thousand, eight hundred ninety-seven".