897201119571 has 4 divisors (see below), whose sum is σ = 1196268159432. Its totient is φ = 598134079712.

The previous prime is 897201119557. The next prime is 897201119579. The reversal of 897201119571 is 175911102798.

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

It is a cyclic number.

It is not a de Polignac number, because 897201119571 - 2²² = 897196925267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (897201119579) 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, 149533519926 + ... + 149533519931.

It is an arithmetic number, because the mean of its divisors is an integer number (299067039858).

Almost surely, 2^897201119571 is an apocalyptic number.

897201119571 is a deficient number, since it is larger than the sum of its proper divisors (299067039861).

897201119571 is a wasteful number, since it uses less digits than its factorization.

897201119571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299067039860.

The product of its (nonzero) digits is 317520, while the sum is 51.

The spelling of 897201119571 in words is "eight hundred ninety-seven billion, two hundred one million, one hundred nineteen thousand, five hundred seventy-one".