897485680 has 320 divisors, whose sum is σ = 2727825408. Its totient is φ = 267079680.

The previous prime is 897485671. The next prime is 897485711. The reversal of 897485680 is 86584798.

It is a congruent 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 63 ways as a sum of consecutive naturals, for example, 14712850 + ... + 14712910.

Almost surely, 2^897485680 is an apocalyptic number.

897485680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897485680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1363912704).

897485680 is an abundant number, since it is smaller than the sum of its proper divisors (1830339728).

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

897485680 is a wasteful number, since it uses less digits than its factorization.

897485680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 55.

The square root of 897485680 is about 29958.0653580968. The cubic root of 897485680 is about 964.5894537203.

The spelling of 897485680 in words is "eight hundred ninety-seven million, four hundred eighty-five thousand, six hundred eighty".