802668728 has 16 divisors (see below), whose sum is σ = 1556901000. Its totient is φ = 387495136.

The previous prime is 802668721. The next prime is 802668733. The reversal of 802668728 is 827866208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802668721) 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 3 ways as a sum of consecutive naturals, for example, 1729658 + ... + 1730121.

Almost surely, 2^802668728 is an apocalyptic number.

It is an amenable number.

802668728 is a deficient number, since it is larger than the sum of its proper divisors (754232272).

802668728 is a wasteful number, since it uses less digits than its factorization.

802668728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3459814 (or 3459810 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 802668728 is about 28331.4088601326. The cubic root of 802668728 is about 929.3488825084.

The spelling of 802668728 in words is "eight hundred two million, six hundred sixty-eight thousand, seven hundred twenty-eight".