897677960 has 64 divisors (see below), whose sum is σ = 2078369280. Its totient is φ = 348791040.

The previous prime is 897677959. The next prime is 897677969. The reversal of 897677960 is 69776798.

It is a self number, because there is not a number n which added to its sum of digits gives 897677960.

It is not an unprimeable number, because it can be changed into a prime (897677969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216305 + ... + 220415.

It is an arithmetic number, because the mean of its divisors is an integer number (32474520).

Almost surely, 2^897677960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897677960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1039184640).

897677960 is an abundant number, since it is smaller than the sum of its proper divisors (1180691320).

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

897677960 is a wasteful number, since it uses less digits than its factorization.

897677960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4278 (or 4274 counting only the distinct ones).

The product of its (nonzero) digits is 8001504, while the sum is 59.

The square root of 897677960 is about 29961.2743387193. The cubic root of 897677960 is about 964.6583343054.

The spelling of 897677960 in words is "eight hundred ninety-seven million, six hundred seventy-seven thousand, nine hundred sixty".