797440317 has 32 divisors (see below), whose sum is σ = 1160939520. Its totient is φ = 485144640.

The previous prime is 797440309. The next prime is 797440333. The reversal of 797440317 is 713044797.

It is not a de Polignac number, because 797440317 - 2³ = 797440309 is a prime.

It is a super-2 number, since 2×797440317² = 1271822118354120978, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797440307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215392 + ... + 219062.

It is an arithmetic number, because the mean of its divisors is an integer number (36279360).

Almost surely, 2^797440317 is an apocalyptic number.

It is an amenable number.

797440317 is a deficient number, since it is larger than the sum of its proper divisors (363499203).

797440317 is a wasteful number, since it uses less digits than its factorization.

797440317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833.

The product of its (nonzero) digits is 148176, while the sum is 42.

The square root of 797440317 is about 28238.9857643648. The cubic root of 797440317 is about 927.3266258812.

The spelling of 797440317 in words is "seven hundred ninety-seven million, four hundred forty thousand, three hundred seventeen".