80028755 has 4 divisors (see below), whose sum is σ = 96034512. Its totient is φ = 64023000.

The previous prime is 80028749. The next prime is 80028787. The reversal of 80028755 is 55782008.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 80028755 - 2⁶ = 80028691 is a prime.

It is a Duffinian 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 in 3 ways as a sum of consecutive naturals, for example, 8002871 + ... + 8002880.

It is an arithmetic number, because the mean of its divisors is an integer number (24008628).

Almost surely, 2^80028755 is an apocalyptic number.

80028755 is a deficient number, since it is larger than the sum of its proper divisors (16005757).

80028755 is a wasteful number, since it uses less digits than its factorization.

80028755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16005756.

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 80028755 is about 8945.8792189477. The cubic root of 80028755 is about 430.9385574635.

The spelling of 80028755 in words is "eighty million, twenty-eight thousand, seven hundred fifty-five".