797505797 has 12 divisors (see below), whose sum is σ = 885290028. Its totient is φ = 717816000.

The previous prime is 797505739. The next prime is 797505817.

797505797 is nontrivially palindromic in base 10.

797505797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 467683876 + 329821921 = 21626^2 + 18161^2 .

It is not a de Polignac number, because 797505797 - 2¹⁶ = 797440261 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 (797505097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20408 + ... + 44849.

It is an arithmetic number, because the mean of its divisors is an integer number (73774169).

Almost surely, 2^797505797 is an apocalyptic number.

It is an amenable number.

797505797 is a deficient number, since it is larger than the sum of its proper divisors (87784231).

797505797 is a wasteful number, since it uses less digits than its factorization.

797505797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65380 (or 65369 counting only the distinct ones).

The product of its (nonzero) digits is 4862025, while the sum is 56.

The square root of 797505797 is about 28240.1451306469. The cubic root of 797505797 is about 927.3520069596.

The spelling of 797505797 in words is "seven hundred ninety-seven million, five hundred five thousand, seven hundred ninety-seven".