897315854646 has 64 divisors (see below), whose sum is σ = 1819389911040. Its totient is φ = 294997190400.

The previous prime is 897315854627. The next prime is 897315854671. The reversal of 897315854646 is 646458513798.

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 31 ways as a sum of consecutive naturals, for example, 686545525 + ... + 686546831.

It is an arithmetic number, because the mean of its divisors is an integer number (28427967360).

Almost surely, 2^897315854646 is an apocalyptic number.

897315854646 is an abundant number, since it is smaller than the sum of its proper divisors (922074056394).

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

897315854646 is a wasteful number, since it uses less digits than its factorization.

897315854646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3669.

The product of its digits is 174182400, while the sum is 66.

The spelling of 897315854646 in words is "eight hundred ninety-seven billion, three hundred fifteen million, eight hundred fifty-four thousand, six hundred forty-six".