80450393 has 8 divisors (see below), whose sum is σ = 82110600. Its totient is φ = 78807168.

The previous prime is 80450387. The next prime is 80450407. The reversal of 80450393 is 39305408.

It can be written as a sum of positive squares in 4 ways, for example, as 2534464 + 77915929 = 1592^2 + 8827^2 .

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 80450393 - 2⁶ = 80450329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80450303) 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, 5555 + ... + 13847.

It is an arithmetic number, because the mean of its divisors is an integer number (10263825).

Almost surely, 2^80450393 is an apocalyptic number.

It is an amenable number.

80450393 is a deficient number, since it is larger than the sum of its proper divisors (1660207).

80450393 is a wasteful number, since it uses less digits than its factorization.

80450393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8491.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 80450393 is about 8969.4143064082. The cubic root of 80450393 is about 431.6940438371.

The spelling of 80450393 in words is "eighty million, four hundred fifty thousand, three hundred ninety-three".