802270439 has 2 divisors, whose sum is σ = 802270440. Its totient is φ = 802270438.

The previous prime is 802270433. The next prime is 802270451. The reversal of 802270439 is 934072208.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 802270439 - 2⁴ = 802270423 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 802270399 and 802270408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (802270433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401135219 + 401135220.

It is an arithmetic number, because the mean of its divisors is an integer number (401135220).

Almost surely, 2^802270439 is an apocalyptic number.

802270439 is a deficient number, since it is larger than the sum of its proper divisors (1).

802270439 is an equidigital number, since it uses as much as digits as its factorization.

802270439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 802270439 is about 28324.3788810982. The cubic root of 802270439 is about 929.1951409275.

The spelling of 802270439 in words is "eight hundred two million, two hundred seventy thousand, four hundred thirty-nine".