802263809 has 8 divisors (see below), whose sum is σ = 860423040. Its totient is φ = 745698096.

The previous prime is 802263773. The next prime is 802263811. The reversal of 802263809 is 908362208.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 802263809 - 2¹² = 802259713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (802263899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397337 + ... + 399350.

It is an arithmetic number, because the mean of its divisors is an integer number (107552880).

Almost surely, 2^802263809 is an apocalyptic number.

It is an amenable number.

802263809 is a deficient number, since it is larger than the sum of its proper divisors (58159231).

802263809 is a wasteful number, since it uses less digits than its factorization.

802263809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796759.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 802263809 is about 28324.2618438681. The cubic root of 802263809 is about 929.1925812833.

The spelling of 802263809 in words is "eight hundred two million, two hundred sixty-three thousand, eight hundred nine".