80993 has 8 divisors (see below), whose sum is σ = 91200. Its totient is φ = 71280.

The previous prime is 80989. The next prime is 81001. The reversal of 80993 is 39908.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80993 - 2² = 80989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308 + ... + 506.

It is an arithmetic number, because the mean of its divisors is an integer number (11400).

2⁸⁰⁹⁹³ is an apocalyptic number.

It is an amenable number.

80993 is a deficient number, since it is larger than the sum of its proper divisors (10207).

80993 is a wasteful number, since it uses less digits than its factorization.

80993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 80993 is about 284.5926914030. The cubic root of 80993 is about 43.2662406848.

The spelling of 80993 in words is "eighty thousand, nine hundred ninety-three".