80228771 has 4 divisors (see below), whose sum is σ = 91690032. Its totient is φ = 68767512.

The previous prime is 80228747. The next prime is 80228777. The reversal of 80228771 is 17782208.

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

It is a cyclic number.

It is not a de Polignac number, because 80228771 - 2²² = 76034467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80228777) by changing a digit.

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, 5730620 + ... + 5730633.

It is an arithmetic number, because the mean of its divisors is an integer number (22922508).

Almost surely, 2^80228771 is an apocalyptic number.

80228771 is a deficient number, since it is larger than the sum of its proper divisors (11461261).

80228771 is a wasteful number, since it uses less digits than its factorization.

80228771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11461260.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 80228771 is about 8957.0514679776. The cubic root of 80228771 is about 431.2972739326.

The spelling of 80228771 in words is "eighty million, two hundred twenty-eight thousand, seven hundred seventy-one".