897655180 has 12 divisors (see below), whose sum is σ = 1885075920. Its totient is φ = 359062064.

The previous prime is 897655147. The next prime is 897655217. The reversal of 897655180 is 81556798.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22441360 + ... + 22441399.

It is an arithmetic number, because the mean of its divisors is an integer number (157089660).

Almost surely, 2^897655180 is an apocalyptic number.

It is an amenable number.

897655180 is an abundant number, since it is smaller than the sum of its proper divisors (987420740).

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

897655180 is a wasteful number, since it uses less digits than its factorization.

897655180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44882768 (or 44882766 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 49.

The square root of 897655180 is about 29960.8941789126. The cubic root of 897655180 is about 964.6501743254.

The spelling of 897655180 in words is "eight hundred ninety-seven million, six hundred fifty-five thousand, one hundred eighty".