897065616 has 20 divisors (see below), whose sum is σ = 2317419632. Its totient is φ = 299021856.

The previous prime is 897065597. The next prime is 897065623. The reversal of 897065616 is 616560798.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 18688867 = 897065616 / (8 + 9 + 7 + 0 + 6 + 5 + 6 + 1 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9344386 + ... + 9344481.

Almost surely, 2^897065616 is an apocalyptic number.

It is an amenable number.

897065616 is an abundant number, since it is smaller than the sum of its proper divisors (1420354016).

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

897065616 is a wasteful number, since it uses less digits than its factorization.

897065616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18688878 (or 18688872 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 897065616 is about 29951.0536709479. The cubic root of 897065616 is about 964.4389396989.

The spelling of 897065616 in words is "eight hundred ninety-seven million, sixty-five thousand, six hundred sixteen".