80278028 has 6 divisors (see below), whose sum is σ = 140486556. Its totient is φ = 40139012.

The previous prime is 80278019. The next prime is 80278039. The reversal of 80278028 is 82087208.

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, 10034750 + ... + 10034757.

It is an arithmetic number, because the mean of its divisors is an integer number (23414426).

Almost surely, 2^80278028 is an apocalyptic number.

It is an amenable number.

80278028 is a deficient number, since it is larger than the sum of its proper divisors (60208528).

80278028 is a wasteful number, since it uses less digits than its factorization.

80278028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20069511 (or 20069509 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 80278028 is about 8959.8006674256. The cubic root of 80278028 is about 431.3855218406.

The spelling of 80278028 in words is "eighty million, two hundred seventy-eight thousand, twenty-eight".