814719317 has 16 divisors (see below), whose sum is σ = 876483072. Its totient is φ = 755314560.

The previous prime is 814719289. The next prime is 814719329. The reversal of 814719317 is 713917418.

It is a cyclic number.

It is not a de Polignac number, because 814719317 - 2¹⁰ = 814718293 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 (814710317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237428 + ... + 240834.

It is an arithmetic number, because the mean of its divisors is an integer number (54780192).

Almost surely, 2^814719317 is an apocalyptic number.

It is an amenable number.

814719317 is a deficient number, since it is larger than the sum of its proper divisors (61763755).

814719317 is a wasteful number, since it uses less digits than its factorization.

814719317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3748.

The product of its digits is 42336, while the sum is 41.

The square root of 814719317 is about 28543.2884755769. The cubic root of 814719317 is about 933.9766194338.

The spelling of 814719317 in words is "eight hundred fourteen million, seven hundred nineteen thousand, three hundred seventeen".