897845698089 has 12 divisors (see below), whose sum is σ = 1296925196736. Its totient is φ = 598546737432.

The previous prime is 897845698051. The next prime is 897845698097. The reversal of 897845698089 is 980896548798.

897845698089 is a `hidden beast` number, since 8 + 9 + 7 + 8 + 456 + 9 + 80 + 89 = 666.

It is not a de Polignac number, because 897845698089 - 2²⁸ = 897577262633 is a prime.

It is a super-2 number, since 2×897845698089² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 897845697999 and 897845698017.

It is not an unprimeable number, because it can be changed into a prime (897845696089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1084269 + ... + 1723754.

It is an arithmetic number, because the mean of its divisors is an integer number (108077099728).

Almost surely, 2^897845698089 is an apocalyptic number.

It is an amenable number.

897845698089 is a deficient number, since it is larger than the sum of its proper divisors (399079498647).

897845698089 is a wasteful number, since it uses less digits than its factorization.

897845698089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843556 (or 2843553 counting only the distinct ones).

The product of its (nonzero) digits is 2508226560, while the sum is 81.

The spelling of 897845698089 in words is "eight hundred ninety-seven billion, eight hundred forty-five million, six hundred ninety-eight thousand, eighty-nine".