798385565583897 has 4 divisors (see below), whose sum is σ = 1064514087445200. Its totient is φ = 532257043722596.

The previous prime is 798385565583869. The next prime is 798385565583929.

798385565583897 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 798385565583897 - 2⁷ = 798385565583769 is a prime.

It is a super-2 number, since 2×798385565583897² (a number of 31 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (798385565583497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133064260930647 + ... + 133064260930652.

It is an arithmetic number, because the mean of its divisors is an integer number (266128521861300).

Almost surely, 2^{798385565583897} is an apocalyptic number.

It is an amenable number.

798385565583897 is a deficient number, since it is larger than the sum of its proper divisors (266128521861303).

798385565583897 is a wasteful number, since it uses less digits than its factorization.

798385565583897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266128521861302.

The product of its digits is 548674560000, while the sum is 96.

The spelling of 798385565583897 in words is "seven hundred ninety-eight trillion, three hundred eighty-five billion, five hundred sixty-five million, five hundred eighty-three thousand, eight hundred ninety-seven".