798565897 has 16 divisors (see below), whose sum is σ = 832857984. Its totient is φ = 765072000.

The previous prime is 798565853. The next prime is 798565903.

798565897 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 798565897 - 2¹⁹ = 798041609 is a prime.

It is a Duffinian number.

Its product of digits (38102400) is a multiple of the sum of its prime divisors (1200).

It is not an unprimeable number, because it can be changed into a prime (798565597) 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, 1155322 + ... + 1156012.

It is an arithmetic number, because the mean of its divisors is an integer number (52053624).

Almost surely, 2^798565897 is an apocalyptic number.

It is an amenable number.

798565897 is a deficient number, since it is larger than the sum of its proper divisors (34292087).

798565897 is a wasteful number, since it uses less digits than its factorization.

798565897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200.

The product of its digits is 38102400, while the sum is 64.

The square root of 798565897 is about 28258.9082768602. The cubic root of 798565897 is about 927.7627252233.

The spelling of 798565897 in words is "seven hundred ninety-eight million, five hundred sixty-five thousand, eight hundred ninety-seven".