802279 has 2 divisors, whose sum is σ = 802280. Its totient is φ = 802278.

The previous prime is 802253. The next prime is 802283. The reversal of 802279 is 972208.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 802279 - 2¹¹ = 800231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (802979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401139 + 401140.

It is an arithmetic number, because the mean of its divisors is an integer number (401140).

2⁸⁰²²⁷⁹ is an apocalyptic number.

802279 is a deficient number, since it is larger than the sum of its proper divisors (1).

802279 is an equidigital number, since it uses as much as digits as its factorization.

802279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 802279 is about 895.7002846935. The cubic root of 802279 is about 92.9198446052.

It can be divided in two parts, 802 and 279, that added together give a triangular number (1081 = T₄₆).

The spelling of 802279 in words is "eight hundred two thousand, two hundred seventy-nine".