897517608 has 64 divisors (see below), whose sum is σ = 2419636800. Its totient is φ = 275788800.

The previous prime is 897517571. The next prime is 897517627. The reversal of 897517608 is 806715798.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313383 + ... + 316233.

It is an arithmetic number, because the mean of its divisors is an integer number (37806825).

Almost surely, 2^897517608 is an apocalyptic number.

It is an amenable number.

897517608 is an abundant number, since it is smaller than the sum of its proper divisors (1522119192).

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

897517608 is a wasteful number, since it uses less digits than its factorization.

897517608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3882 (or 3878 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 51.

The square root of 897517608 is about 29958.5982315595. The cubic root of 897517608 is about 964.6008919889.

The spelling of 897517608 in words is "eight hundred ninety-seven million, five hundred seventeen thousand, six hundred eight".