897418597 has 4 divisors (see below), whose sum is σ = 926367616. Its totient is φ = 868469580.

The previous prime is 897418579. The next prime is 897418607. The reversal of 897418597 is 795814798.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 795814798 = 2 ⋅397907399.

It is a cyclic number.

It is not a de Polignac number, because 897418597 - 2¹⁵ = 897385829 is a prime.

It is a super-5 number, since 5×897418597⁵ (a number of 46 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897418567) 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 3 ways as a sum of consecutive naturals, for example, 14474463 + ... + 14474524.

It is an arithmetic number, because the mean of its divisors is an integer number (231591904).

Almost surely, 2^897418597 is an apocalyptic number.

It is an amenable number.

897418597 is a deficient number, since it is larger than the sum of its proper divisors (28949019).

897418597 is a wasteful number, since it uses less digits than its factorization.

897418597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28949018.

The product of its digits is 5080320, while the sum is 58.

The square root of 897418597 is about 29956.9457221527. The cubic root of 897418597 is about 964.5654202202.

The spelling of 897418597 in words is "eight hundred ninety-seven million, four hundred eighteen thousand, five hundred ninety-seven".