80288747993 has 24 divisors (see below), whose sum is σ = 88290449280. Its totient is φ = 72910557440.

The previous prime is 80288747969. The next prime is 80288748011. The reversal of 80288747993 is 39974788208.

It is not a de Polignac number, because 80288747993 - 2²⁴ = 80271970777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80288740993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18796448 + ... + 18800718.

It is an arithmetic number, because the mean of its divisors is an integer number (3678768720).

Almost surely, 2^80288747993 is an apocalyptic number.

It is an amenable number.

80288747993 is a deficient number, since it is larger than the sum of its proper divisors (8001701287).

80288747993 is a wasteful number, since it uses less digits than its factorization.

80288747993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6577 (or 6560 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 65.

The spelling of 80288747993 in words is "eighty billion, two hundred eighty-eight million, seven hundred forty-seven thousand, nine hundred ninety-three".