897436254539 has 32 divisors (see below), whose sum is σ = 1039823136000. Its totient is φ = 765979493760.

The previous prime is 897436254523. The next prime is 897436254563. The reversal of 897436254539 is 935452634798.

897436254539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 897436254539 - 2⁴ = 897436254523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (897436254139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13762937 + ... + 13827989.

It is an arithmetic number, because the mean of its divisors is an integer number (32494473000).

Almost surely, 2^897436254539 is an apocalyptic number.

897436254539 is a deficient number, since it is larger than the sum of its proper divisors (142386881461).

897436254539 is a wasteful number, since it uses less digits than its factorization.

897436254539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65675.

The product of its digits is 195955200, while the sum is 65.

The spelling of 897436254539 in words is "eight hundred ninety-seven billion, four hundred thirty-six million, two hundred fifty-four thousand, five hundred thirty-nine".