807494089 has 2 divisors, whose sum is σ = 807494090. Its totient is φ = 807494088.

The previous prime is 807494081. The next prime is 807494123. The reversal of 807494089 is 980494708.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 502118464 + 305375625 = 22408^2 + 17475^2 .

It is a cyclic number.

It is not a de Polignac number, because 807494089 - 2³ = 807494081 is a prime.

It is not a weakly prime, because it can be changed into another prime (807494081) 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, 403747044 + 403747045.

It is an arithmetic number, because the mean of its divisors is an integer number (403747045).

Almost surely, 2^807494089 is an apocalyptic number.

It is an amenable number.

807494089 is a deficient number, since it is larger than the sum of its proper divisors (1).

807494089 is an equidigital number, since it uses as much as digits as its factorization.

807494089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 807494089 is about 28416.4404702630. The cubic root of 807494089 is about 931.2074688682.

The spelling of 807494089 in words is "eight hundred seven million, four hundred ninety-four thousand, eighty-nine".