897794497798 has 12 divisors (see below), whose sum is σ = 1480247953380. Its totient is φ = 408088407980.

The previous prime is 897794497751. The next prime is 897794497801.

It is a happy number.

897794497798 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1854947068 + ... + 1854947551.

It is an arithmetic number, because the mean of its divisors is an integer number (123353996115).

Almost surely, 2^897794497798 is an apocalyptic number.

897794497798 is a deficient number, since it is larger than the sum of its proper divisors (582453455582).

897794497798 is a wasteful number, since it uses less digits than its factorization.

897794497798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3709894643 (or 3709894632 counting only the distinct ones).

The product of its digits is 16131032064, while the sum is 88.

The spelling of 897794497798 in words is "eight hundred ninety-seven billion, seven hundred ninety-four million, four hundred ninety-seven thousand, seven hundred ninety-eight".