80730000293 has 4 divisors (see below), whose sum is σ = 80746558380. Its totient is φ = 80713442208.

The previous prime is 80730000269. The next prime is 80730000319. The reversal of 80730000293 is 39200003708.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6768846529 + 73961153764 = 82273^2 + 271958^2 .

It is a cyclic number.

It is not a de Polignac number, because 80730000293 - 2⁸ = 80730000037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80730000193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8271728 + ... + 8281481.

It is an arithmetic number, because the mean of its divisors is an integer number (20186639595).

Almost surely, 2^80730000293 is an apocalyptic number.

It is an amenable number.

80730000293 is a deficient number, since it is larger than the sum of its proper divisors (16558087).

80730000293 is a wasteful number, since it uses less digits than its factorization.

80730000293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16558086.

The product of its (nonzero) digits is 9072, while the sum is 32.

The spelling of 80730000293 in words is "eighty billion, seven hundred thirty million, two hundred ninety-three", and thus it is an aban number.