80893221 has 4 divisors (see below), whose sum is σ = 107857632. Its totient is φ = 53928812.

The previous prime is 80893207. The next prime is 80893261. The reversal of 80893221 is 12239808.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80893221 - 2¹⁰ = 80892197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80893261) 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, 13482201 + ... + 13482206.

It is an arithmetic number, because the mean of its divisors is an integer number (26964408).

Almost surely, 2^80893221 is an apocalyptic number.

It is an amenable number.

80893221 is a deficient number, since it is larger than the sum of its proper divisors (26964411).

80893221 is a wasteful number, since it uses less digits than its factorization.

80893221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26964410.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 80893221 is about 8994.0658770102. The cubic root of 80893221 is about 432.4846616009.

The spelling of 80893221 in words is "eighty million, eight hundred ninety-three thousand, two hundred twenty-one".