80264446209 has 72 divisors (see below), whose sum is σ = 124309622528. Its totient is φ = 51783611040.

The previous prime is 80264446193. The next prime is 80264446211. The reversal of 80264446209 is 90264446208.

It is not a de Polignac number, because 80264446209 - 2⁴ = 80264446193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80264447209) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 51220944 + ... + 51222510.

Almost surely, 2^80264446209 is an apocalyptic number.

It is an amenable number.

80264446209 is a deficient number, since it is larger than the sum of its proper divisors (44045176319).

80264446209 is an equidigital number, since it uses as much as digits as its factorization.

80264446209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839 (or 1818 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

Subtracting 80264446209 from its reverse (90264446208), we obtain a palindrome (9999999999).

The spelling of 80264446209 in words is "eighty billion, two hundred sixty-four million, four hundred forty-six thousand, two hundred nine".