897484887 has 64 divisors (see below), whose sum is σ = 1469905920. Its totient is φ = 537840000.

The previous prime is 897484877. The next prime is 897484919. The reversal of 897484887 is 788484798.

897484887 is a `hidden beast` number, since 89 + 74 + 8 + 488 + 7 = 666.

It is not a de Polignac number, because 897484887 - 2¹² = 897480791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897484807) by changing a digit.

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, 3575512 + ... + 3575762.

It is an arithmetic number, because the mean of its divisors is an integer number (22967280).

Almost surely, 2^897484887 is an apocalyptic number.

897484887 is a deficient number, since it is larger than the sum of its proper divisors (572421033).

897484887 is a wasteful number, since it uses less digits than its factorization.

897484887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501 (or 495 counting only the distinct ones).

The product of its digits is 28901376, while the sum is 63.

The square root of 897484887 is about 29958.0521229268. The cubic root of 897484887 is about 964.5891696230.

The spelling of 897484887 in words is "eight hundred ninety-seven million, four hundred eighty-four thousand, eight hundred eighty-seven".