897735537798 has 32 divisors (see below), whose sum is σ = 1958732727552. Its totient is φ = 272035932000.

The previous prime is 897735537761. The next prime is 897735537799.

897735537798 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897735537799) 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, 4829140 + ... + 5011592.

It is an arithmetic number, because the mean of its divisors is an integer number (61210397736).

Almost surely, 2^897735537798 is an apocalyptic number.

897735537798 is an abundant number, since it is smaller than the sum of its proper divisors (1060997189754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

897735537798 is a wasteful number, since it uses less digits than its factorization.

897735537798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257020.

The product of its digits is 2800526400, while the sum is 78.

The spelling of 897735537798 in words is "eight hundred ninety-seven billion, seven hundred thirty-five million, five hundred thirty-seven thousand, seven hundred ninety-eight".