897435858592 has 96 divisors (see below), whose sum is σ = 2200756182912. Its totient is φ = 350752011264.

The previous prime is 897435858577. The next prime is 897435858601. The reversal of 897435858592 is 295858534798.

It is a super-2 number, since 2×897435858592² (a number of 25 digits) contains 22 as substring.

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, 1614843 + ... + 2098234.

It is an arithmetic number, because the mean of its divisors is an integer number (22924543572).

Almost surely, 2^897435858592 is an apocalyptic number.

It is an amenable number.

897435858592 is an abundant number, since it is smaller than the sum of its proper divisors (1303320324320).

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

897435858592 is a wasteful number, since it uses less digits than its factorization.

897435858592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3713190 (or 3713182 counting only the distinct ones).

The product of its digits is 870912000, while the sum is 73.

The spelling of 897435858592 in words is "eight hundred ninety-seven billion, four hundred thirty-five million, eight hundred fifty-eight thousand, five hundred ninety-two".