897201066 has 64 divisors (see below), whose sum is σ = 1919427840. Its totient is φ = 278952960.

The previous prime is 897201059. The next prime is 897201077. The reversal of 897201066 is 660102798.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1762420 + ... + 1762928.

It is an arithmetic number, because the mean of its divisors is an integer number (29991060).

Almost surely, 2^897201066 is an apocalyptic number.

897201066 is an abundant number, since it is smaller than the sum of its proper divisors (1022226774).

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

897201066 is a wasteful number, since it uses less digits than its factorization.

897201066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 897201066 is about 29953.3147748292. The cubic root of 897201066 is about 964.4874782071.

The spelling of 897201066 in words is "eight hundred ninety-seven million, two hundred one thousand, sixty-six".