897663212 has 12 divisors (see below), whose sum is σ = 1571120376. Its totient is φ = 448771680.

The previous prime is 897663209. The next prime is 897663233. The reversal of 897663212 is 212366798.

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, 51488 + ... + 66680.

It is an arithmetic number, because the mean of its divisors is an integer number (130926698).

Almost surely, 2^897663212 is an apocalyptic number.

It is an amenable number.

897663212 is a deficient number, since it is larger than the sum of its proper divisors (673457164).

897663212 is a wasteful number, since it uses less digits than its factorization.

897663212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29968 (or 29966 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 897663212 is about 29961.0282200061. The cubic root of 897663212 is about 964.6530514684.

The spelling of 897663212 in words is "eight hundred ninety-seven million, six hundred sixty-three thousand, two hundred twelve".