897261975 has 24 divisors (see below), whose sum is σ = 1648304720. Its totient is φ = 478539360.

The previous prime is 897261973. The next prime is 897262019. The reversal of 897261975 is 579162798.

It is not a de Polignac number, because 897261975 - 2¹ = 897261973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897261973) 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 23 ways as a sum of consecutive naturals, for example, 663964 + ... + 665313.

Almost surely, 2^897261975 is an apocalyptic number.

897261975 is a deficient number, since it is larger than the sum of its proper divisors (751042745).

897261975 is a wasteful number, since it uses less digits than its factorization.

897261975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329296 (or 1329285 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 54.

The square root of 897261975 is about 29954.3314897862. The cubic root of 897261975 is about 964.5093033552.

The spelling of 897261975 in words is "eight hundred ninety-seven million, two hundred sixty-one thousand, nine hundred seventy-five".