897167567 has 4 divisors (see below), whose sum is σ = 900890496. Its totient is φ = 893444640.

The previous prime is 897167563. The next prime is 897167597. The reversal of 897167567 is 765761798.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 765761798 = 2 ⋅382880899.

It is a cyclic number.

It is not a de Polignac number, because 897167567 - 2² = 897167563 is a prime.

It is a super-4 number, since 4×897167567⁴ (a number of 37 digits) contains 4444 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 (897167561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1861103 + ... + 1861584.

It is an arithmetic number, because the mean of its divisors is an integer number (225222624).

Almost surely, 2^897167567 is an apocalyptic number.

897167567 is a deficient number, since it is larger than the sum of its proper divisors (3722929).

897167567 is a wasteful number, since it uses less digits than its factorization.

897167567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3722928.

The product of its digits is 4445280, while the sum is 56.

The square root of 897167567 is about 29952.7555827506. The cubic root of 897167567 is about 964.4754742950.

The spelling of 897167567 in words is "eight hundred ninety-seven million, one hundred sixty-seven thousand, five hundred sixty-seven".