897795087 has 64 divisors (see below), whose sum is σ = 1512407040. Its totient is φ = 463177440.

The previous prime is 897795053. The next prime is 897795097. The reversal of 897795087 is 780597798.

It is not a de Polignac number, because 897795087 - 2¹⁰ = 897794063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 897795087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897795097) 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 63 ways as a sum of consecutive naturals, for example, 3312762 + ... + 3313032.

It is an arithmetic number, because the mean of its divisors is an integer number (23631360).

Almost surely, 2^897795087 is an apocalyptic number.

897795087 is a deficient number, since it is larger than the sum of its proper divisors (614611953).

897795087 is a wasteful number, since it uses less digits than its factorization.

897795087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 60.

The square root of 897795087 is about 29963.2289147882. The cubic root of 897795087 is about 964.7002879637.

The spelling of 897795087 in words is "eight hundred ninety-seven million, seven hundred ninety-five thousand, eighty-seven".