897001328320 has 56 divisors (see below), whose sum is σ = 2204887160448. Its totient is φ = 347226316800.

The previous prime is 897001328299. The next prime is 897001328329. The reversal of 897001328320 is 23823100798.

It is a super-2 number, since 2×897001328320² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (897001328329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45201841 + ... + 45221680.

It is an arithmetic number, because the mean of its divisors is an integer number (39372985008).

Almost surely, 2^897001328320 is an apocalyptic number.

897001328320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

897001328320 is an abundant number, since it is smaller than the sum of its proper divisors (1307885832128).

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

897001328320 is a wasteful number, since it uses less digits than its factorization.

897001328320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90423569 (or 90423559 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 897001328320 in words is "eight hundred ninety-seven billion, one million, three hundred twenty-eight thousand, three hundred twenty".