80493466577 has 4 divisors (see below), whose sum is σ = 80554401636. Its totient is φ = 80432531520.

The previous prime is 80493466561. The next prime is 80493466621. The reversal of 80493466577 is 77566439408.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54002323456 + 26491143121 = 232384^2 + 162761^2 .

It is a cyclic number.

It is not a de Polignac number, because 80493466577 - 2⁴ = 80493466561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80493466507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30465548 + ... + 30468189.

It is an arithmetic number, because the mean of its divisors is an integer number (20138600409).

Almost surely, 2^80493466577 is an apocalyptic number.

It is an amenable number.

80493466577 is a deficient number, since it is larger than the sum of its proper divisors (60935059).

80493466577 is a wasteful number, since it uses less digits than its factorization.

80493466577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60935058.

The product of its (nonzero) digits is 30481920, while the sum is 59.

The spelling of 80493466577 in words is "eighty billion, four hundred ninety-three million, four hundred sixty-six thousand, five hundred seventy-seven".