80311593 has 8 divisors (see below), whose sum is σ = 107448768. Its totient is φ = 53357744.

The previous prime is 80311577. The next prime is 80311601. The reversal of 80311593 is 39511308.

It is a happy number.

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 80311593 - 2⁴ = 80311577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80311593.

It is not an unprimeable number, because it can be changed into a prime (80311513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44805 + ... + 46562.

It is an arithmetic number, because the mean of its divisors is an integer number (13431096).

Almost surely, 2^80311593 is an apocalyptic number.

It is an amenable number.

80311593 is a deficient number, since it is larger than the sum of its proper divisors (27137175).

80311593 is a wasteful number, since it uses less digits than its factorization.

80311593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91663.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 80311593 is about 8961.6735602230. The cubic root of 80311593 is about 431.4456355806.

The spelling of 80311593 in words is "eighty million, three hundred eleven thousand, five hundred ninety-three".