80221458780237 has 16 divisors (see below), whose sum is σ = 109858146023360. Its totient is φ = 52033012492032.

The previous prime is 80221458780173. The next prime is 80221458780377. The reversal of 80221458780237 is 73208785412208.

It is not a de Polignac number, because 80221458780237 - 2⁶ = 80221458780173 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 (80221458880237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15261787 + ... + 19833432.

It is an arithmetic number, because the mean of its divisors is an integer number (6866134126460).

Almost surely, 2^{80221458780237} is an apocalyptic number.

It is an amenable number.

80221458780237 is a deficient number, since it is larger than the sum of its proper divisors (29636687243123).

80221458780237 is a wasteful number, since it uses less digits than its factorization.

80221458780237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35115852.

The product of its (nonzero) digits is 12042240, while the sum is 57.

The spelling of 80221458780237 in words is "eighty trillion, two hundred twenty-one billion, four hundred fifty-eight million, seven hundred eighty thousand, two hundred thirty-seven".