80548685617 has 8 divisors (see below), whose sum is σ = 80864985960. Its totient is φ = 80232510720.

The previous prime is 80548685599. The next prime is 80548685627. The reversal of 80548685617 is 71658684508.

It can be written as a sum of positive squares in 4 ways, for example, as 39546890496 + 41001795121 = 198864^2 + 202489^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 80548685617 - 2⁷ = 80548685489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80548685627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1379067 + ... + 1436287.

It is an arithmetic number, because the mean of its divisors is an integer number (10108123245).

Almost surely, 2^80548685617 is an apocalyptic number.

It is an amenable number.

80548685617 is a deficient number, since it is larger than the sum of its proper divisors (316300343).

80548685617 is a wasteful number, since it uses less digits than its factorization.

80548685617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62723.

The product of its (nonzero) digits is 12902400, while the sum is 58.

The spelling of 80548685617 in words is "eighty billion, five hundred forty-eight million, six hundred eighty-five thousand, six hundred seventeen".