80766193 has 4 divisors (see below), whose sum is σ = 80833140. Its totient is φ = 80699248.

The previous prime is 80766181. The next prime is 80766199. The reversal of 80766193 is 39166708.

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 58798224 + 21967969 = 7668^2 + 4687^2 .

It is a cyclic number.

It is not a de Polignac number, because 80766193 - 2⁹ = 80765681 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80766199) 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, 31630 + ... + 34087.

It is an arithmetic number, because the mean of its divisors is an integer number (20208285).

Almost surely, 2^80766193 is an apocalyptic number.

It is an amenable number.

80766193 is a deficient number, since it is larger than the sum of its proper divisors (66947).

80766193 is a wasteful number, since it uses less digits than its factorization.

80766193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66946.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 80766193 is about 8987.0013352619. The cubic root of 80766193 is about 432.2581636631.

The spelling of 80766193 in words is "eighty million, seven hundred sixty-six thousand, one hundred ninety-three".