80268223572 has 72 divisors (see below), whose sum is σ = 211783440960. Its totient is φ = 25585338240.

The previous prime is 80268223571. The next prime is 80268223579. The reversal of 80268223572 is 27532286208.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80268223571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3315672 + ... + 3339792.

It is an arithmetic number, because the mean of its divisors is an integer number (2941436680).

Almost surely, 2^80268223572 is an apocalyptic number.

It is an amenable number.

80268223572 is an abundant number, since it is smaller than the sum of its proper divisors (131515217388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80268223572 is a wasteful number, since it uses less digits than its factorization.

80268223572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28173 (or 28168 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 80268223572 in words is "eighty billion, two hundred sixty-eight million, two hundred twenty-three thousand, five hundred seventy-two".