538897289628 has 24 divisors (see below), whose sum is σ = 1260413783440. Its totient is φ = 179205747840.

The previous prime is 538897289627. The next prime is 538897289633. The reversal of 538897289628 is 826982798835.

It is a self number, because there is not a number n which added to its sum of digits gives 538897289628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538897289627) 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 7 ways as a sum of consecutive naturals, for example, 53329993 + ... + 53340096.

Almost surely, 2^538897289628 is an apocalyptic number.

It is an amenable number.

538897289628 is an abundant number, since it is smaller than the sum of its proper divisors (721516493812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

538897289628 is a wasteful number, since it uses less digits than its factorization.

538897289628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106670517 (or 106670515 counting only the distinct ones).

The product of its digits is 836075520, while the sum is 75.

The spelling of 538897289628 in words is "five hundred thirty-eight billion, eight hundred ninety-seven million, two hundred eighty-nine thousand, six hundred twenty-eight".