80844048445 has 8 divisors (see below), whose sum is σ = 97429223736. Its totient is φ = 64397661696.

The previous prime is 80844048443. The next prime is 80844048449. The reversal of 80844048445 is 54484044808.

It can be written as a sum of positive squares in 4 ways, for example, as 11302666596 + 69541381849 = 106314^2 + 263707^2 .

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 80844048445 - 2¹ = 80844048443 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 (80844048443) 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, 34695852 + ... + 34698181.

It is an arithmetic number, because the mean of its divisors is an integer number (12178652967).

Almost surely, 2^80844048445 is an apocalyptic number.

It is an amenable number.

80844048445 is a deficient number, since it is larger than the sum of its proper divisors (16585175291).

80844048445 is a wasteful number, since it uses less digits than its factorization.

80844048445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69394271.

The product of its (nonzero) digits is 2621440, while the sum is 49.

The spelling of 80844048445 in words is "eighty billion, eight hundred forty-four million, forty-eight thousand, four hundred forty-five".