80205437822 has 8 divisors (see below), whose sum is σ = 120309883200. Its totient is φ = 40102143424.

The previous prime is 80205437773. The next prime is 80205437843. The reversal of 80205437822 is 22873450208.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 80205437822.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84947 + ... + 409422.

It is an arithmetic number, because the mean of its divisors is an integer number (15038735400).

Almost surely, 2^80205437822 is an apocalyptic number.

80205437822 is a deficient number, since it is larger than the sum of its proper divisors (40104445378).

80205437822 is a wasteful number, since it uses less digits than its factorization.

80205437822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575490.

The product of its (nonzero) digits is 215040, while the sum is 41.

The spelling of 80205437822 in words is "eighty billion, two hundred five million, four hundred thirty-seven thousand, eight hundred twenty-two".