80221018773 has 8 divisors (see below), whose sum is σ = 122241552448. Its totient is φ = 45840582144.

The previous prime is 80221018753. The next prime is 80221018781. The reversal of 80221018773 is 37781012208.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80221018773 - 2⁸ = 80221018517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80221018753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1910024236 + ... + 1910024277.

It is an arithmetic number, because the mean of its divisors is an integer number (15280194056).

Almost surely, 2^80221018773 is an apocalyptic number.

It is an amenable number.

80221018773 is a deficient number, since it is larger than the sum of its proper divisors (42020533675).

80221018773 is a wasteful number, since it uses less digits than its factorization.

80221018773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3820048523.

The product of its (nonzero) digits is 37632, while the sum is 39.

The spelling of 80221018773 in words is "eighty billion, two hundred twenty-one million, eighteen thousand, seven hundred seventy-three".