802599089 has 2 divisors, whose sum is σ = 802599090. Its totient is φ = 802599088.

The previous prime is 802599059. The next prime is 802599107. The reversal of 802599089 is 980995208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 761318464 + 41280625 = 27592^2 + 6425^2 .

It is a cyclic number.

It is not a de Polignac number, because 802599089 - 2⁸ = 802598833 is a prime.

It is not a weakly prime, because it can be changed into another prime (802599059) 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, 401299544 + 401299545.

It is an arithmetic number, because the mean of its divisors is an integer number (401299545).

Almost surely, 2^802599089 is an apocalyptic number.

It is an amenable number.

802599089 is a deficient number, since it is larger than the sum of its proper divisors (1).

802599089 is an equidigital number, since it uses as much as digits as its factorization.

802599089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 50.

The square root of 802599089 is about 28330.1798264677. The cubic root of 802599089 is about 929.3220051693.

The spelling of 802599089 in words is "eight hundred two million, five hundred ninety-nine thousand, eighty-nine".