897201087 has 16 divisors (see below), whose sum is σ = 1215637632. Its totient is φ = 588471840.

The previous prime is 897201077. The next prime is 897201091. The reversal of 897201087 is 780102798.

It is not a de Polignac number, because 897201087 - 2⁸ = 897200831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897201077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192873 + ... + 197469.

It is an arithmetic number, because the mean of its divisors is an integer number (75977352).

Almost surely, 2^897201087 is an apocalyptic number.

897201087 is a deficient number, since it is larger than the sum of its proper divisors (318436545).

897201087 is a wasteful number, since it uses less digits than its factorization.

897201087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5638.

The product of its (nonzero) digits is 56448, while the sum is 42.

The square root of 897201087 is about 29953.3151253747. The cubic root of 897201087 is about 964.4874857320.

The spelling of 897201087 in words is "eight hundred ninety-seven million, two hundred one thousand, eighty-seven".