798868897 has 4 divisors (see below), whose sum is σ = 799365780. Its totient is φ = 798372016.

The previous prime is 798868891. The next prime is 798868919.

798868897 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 199402641 + 599466256 = 14121^2 + 24484^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-798868897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (798868891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246022 + ... + 249247.

It is an arithmetic number, because the mean of its divisors is an integer number (199841445).

Almost surely, 2^798868897 is an apocalyptic number.

It is an amenable number.

798868897 is a deficient number, since it is larger than the sum of its proper divisors (496883).

798868897 is a wasteful number, since it uses less digits than its factorization.

798868897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496882.

The product of its digits is 97542144, while the sum is 70.

The square root of 798868897 is about 28264.2689097029. The cubic root of 798868897 is about 927.8800507774.

The spelling of 798868897 in words is "seven hundred ninety-eight million, eight hundred sixty-eight thousand, eight hundred ninety-seven".