538897289577 has 4 divisors (see below), whose sum is σ = 718529719440. Its totient is φ = 359264859716.

The previous prime is 538897289561. The next prime is 538897289627. The reversal of 538897289577 is 775982798835.

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.

It is a cyclic number.

It is not a de Polignac number, because 538897289577 - 2⁴ = 538897289561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (538897289507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89816214927 + ... + 89816214932.

It is an arithmetic number, because the mean of its divisors is an integer number (179632429860).

Almost surely, 2^538897289577 is an apocalyptic number.

It is an amenable number.

538897289577 is a deficient number, since it is larger than the sum of its proper divisors (179632429863).

538897289577 is a wasteful number, since it uses less digits than its factorization.

538897289577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179632429862.

The product of its digits is 2133734400, while the sum is 78.

The spelling of 538897289577 in words is "five hundred thirty-eight billion, eight hundred ninety-seven million, two hundred eighty-nine thousand, five hundred seventy-seven".