797542917 has 16 divisors (see below), whose sum is σ = 1168028160. Its totient is φ = 481810032.

The previous prime is 797542909. The next prime is 797542927. The reversal of 797542917 is 719245797.

It is not a de Polignac number, because 797542917 - 2³ = 797542909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 797542917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797542927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302863 + ... + 305484.

It is an arithmetic number, because the mean of its divisors is an integer number (73001760).

Almost surely, 2^797542917 is an apocalyptic number.

It is an amenable number.

797542917 is a deficient number, since it is larger than the sum of its proper divisors (370485243).

797542917 is a wasteful number, since it uses less digits than its factorization.

797542917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608392.

The product of its digits is 1111320, while the sum is 51.

The square root of 797542917 is about 28240.8023434179. The cubic root of 797542917 is about 927.3663946387.

The spelling of 797542917 in words is "seven hundred ninety-seven million, five hundred forty-two thousand, nine hundred seventeen".