80717393 has 8 divisors (see below), whose sum is σ = 81910440. Its totient is φ = 79530880.

The previous prime is 80717389. The next prime is 80717431. The reversal of 80717393 is 39371708.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23104 + 80694289 = 152^2 + 8983^2 .

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 80717393 - 2² = 80717389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80717093) 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, 26783 + ... + 29643.

It is an arithmetic number, because the mean of its divisors is an integer number (10238805).

Almost surely, 2^80717393 is an apocalyptic number.

It is an amenable number.

80717393 is a deficient number, since it is larger than the sum of its proper divisors (1193047).

80717393 is a wasteful number, since it uses less digits than its factorization.

80717393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3267.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 80717393 is about 8984.2858926016. The cubic root of 80717393 is about 432.1710874269.

The spelling of 80717393 in words is "eighty million, seven hundred seventeen thousand, three hundred ninety-three".