897266686628208 has 160 divisors (see below), whose sum is σ = 2502614854620160. Its totient is φ = 275377936481280.

The previous prime is 897266686628131. The next prime is 897266686628269. The reversal of 897266686628208 is 802826686662798.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 479448123 + ... + 481315941.

It is an arithmetic number, because the mean of its divisors is an integer number (15641342841376).

Almost surely, 2^{897266686628208} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897266686628208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1251307427310080).

897266686628208 is an abundant number, since it is smaller than the sum of its proper divisors (1605348167991952).

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

897266686628208 is a wasteful number, since it uses less digits than its factorization.

897266686628208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869807 (or 1869801 counting only the distinct ones).

The product of its (nonzero) digits is 16052649984, while the sum is 84.

The spelling of 897266686628208 in words is "eight hundred ninety-seven trillion, two hundred sixty-six billion, six hundred eighty-six million, six hundred twenty-eight thousand, two hundred eight".