897633075312 has 80 divisors (see below), whose sum is σ = 2582659952160. Its totient is φ = 298500249600.

The previous prime is 897633075293. The next prime is 897633075347. The reversal of 897633075312 is 213570336798.

897633075312 is a `hidden beast` number, since 8 + 9 + 76 + 3 + 30 + 7 + 531 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2285889 + ... + 2649632.

It is an arithmetic number, because the mean of its divisors is an integer number (32283249402).

Almost surely, 2^897633075312 is an apocalyptic number.

It is an amenable number.

897633075312 is an abundant number, since it is smaller than the sum of its proper divisors (1685026876848).

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

897633075312 is a wasteful number, since it uses less digits than its factorization.

897633075312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4935959 (or 4935947 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The spelling of 897633075312 in words is "eight hundred ninety-seven billion, six hundred thirty-three million, seventy-five thousand, three hundred twelve".