80943493 has 4 divisors (see below), whose sum is σ = 81778060. Its totient is φ = 80108928.

The previous prime is 80943491. The next prime is 80943497. The reversal of 80943493 is 39434908.

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 65561409 + 15382084 = 8097^2 + 3922^2 .

It is a cyclic number.

It is not a de Polignac number, because 80943493 - 2¹ = 80943491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80943491) 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, 417138 + ... + 417331.

It is an arithmetic number, because the mean of its divisors is an integer number (20444515).

Almost surely, 2^80943493 is an apocalyptic number.

It is an amenable number.

80943493 is a deficient number, since it is larger than the sum of its proper divisors (834567).

80943493 is an equidigital number, since it uses as much as digits as its factorization.

80943493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834566.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 80943493 is about 8996.8601745276. The cubic root of 80943493 is about 432.5742338637.

The spelling of 80943493 in words is "eighty million, nine hundred forty-three thousand, four hundred ninety-three".