897469747200 has 936 divisors, whose sum is σ = 3489867878952. Its totient is φ = 219131412480.

The previous prime is 897469747171. The next prime is 897469747211. The reversal of 897469747200 is 2747964798.

897469747200 is a `hidden beast` number, since 8 + 9 + 74 + 6 + 97 + 472 + 0 + 0 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 382933241856 + 514536505344 = 618816^2 + 717312^2 .

It is a tau number, because it is divible by the number of its divisors (936).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2072678184 + ... + 2072678616.

Almost surely, 2^897469747200 is an apocalyptic number.

897469747200 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897469747200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1744933939476).

897469747200 is an abundant number, since it is smaller than the sum of its proper divisors (2592398131752).

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

897469747200 is a wasteful number, since it uses less digits than its factorization.

897469747200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 63.

The spelling of 897469747200 in words is "eight hundred ninety-seven billion, four hundred sixty-nine million, seven hundred forty-seven thousand, two hundred".