802873863 has 20 divisors (see below), whose sum is σ = 1308388488. Its totient is φ = 486589680.

The previous prime is 802873859. The next prime is 802873879. The reversal of 802873863 is 368378208.

It is not a de Polignac number, because 802873863 - 2² = 802873859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802873763) 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 in 19 ways as a sum of consecutive naturals, for example, 449656 + ... + 451437.

Almost surely, 2^802873863 is an apocalyptic number.

802873863 is a deficient number, since it is larger than the sum of its proper divisors (505514625).

802873863 is a wasteful number, since it uses less digits than its factorization.

802873863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901116 (or 901107 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 802873863 is about 28335.0289041674. The cubic root of 802873863 is about 929.4280458203.

The spelling of 802873863 in words is "eight hundred two million, eight hundred seventy-three thousand, eight hundred sixty-three".