80321845599 has 12 divisors (see below), whose sum is σ = 122845175856. Its totient is φ = 50398020672.

The previous prime is 80321845559. The next prime is 80321845619. The reversal of 80321845599 is 99554812308.

80321845599 is a `hidden beast` number, since 8 + 0 + 3 + 2 + 1 + 8 + 45 + 599 = 666.

It is not a de Polignac number, because 80321845599 - 2¹² = 80321841503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80321845559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 262489539 + ... + 262489844.

It is an arithmetic number, because the mean of its divisors is an integer number (10237097988).

Almost surely, 2^80321845599 is an apocalyptic number.

80321845599 is a deficient number, since it is larger than the sum of its proper divisors (42523330257).

80321845599 is a wasteful number, since it uses less digits than its factorization.

80321845599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524979406 (or 524979403 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 80321845599 in words is "eighty billion, three hundred twenty-one million, eight hundred forty-five thousand, five hundred ninety-nine".