80173445005 has 8 divisors (see below), whose sum is σ = 98808354072. Its totient is φ = 62405275968.

The previous prime is 80173444999. The next prime is 80173445029. The reversal of 80173445005 is 50054437108.

It can be written as a sum of positive squares in 4 ways, for example, as 7561519849 + 72611925156 = 86957^2 + 269466^2 .

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 80173445005 - 2⁵ = 80173444973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216684802 + ... + 216685171.

It is an arithmetic number, because the mean of its divisors is an integer number (12351044259).

Almost surely, 2^80173445005 is an apocalyptic number.

It is an amenable number.

80173445005 is a deficient number, since it is larger than the sum of its proper divisors (18634909067).

80173445005 is a wasteful number, since it uses less digits than its factorization.

80173445005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433370015.

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 80173445005 in words is "eighty billion, one hundred seventy-three million, four hundred forty-five thousand, five".