80319028 has 6 divisors (see below), whose sum is σ = 140558306. Its totient is φ = 40159512.

The previous prime is 80318989. The next prime is 80319037. The reversal of 80319028 is 82091308.

It can be written as a sum of positive squares in only one way, i.e., 46539684 + 33779344 = 6822^2 + 5812^2 .

It is a super-2 number, since 2×80319028² = 12902292517729568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10039875 + ... + 10039882.

Almost surely, 2^80319028 is an apocalyptic number.

It is an amenable number.

80319028 is a deficient number, since it is larger than the sum of its proper divisors (60239278).

80319028 is a wasteful number, since it uses less digits than its factorization.

80319028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20079761 (or 20079759 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 80319028 is about 8962.0883726953. The cubic root of 80319028 is about 431.4589491392.

The spelling of 80319028 in words is "eighty million, three hundred nineteen thousand, twenty-eight".