538897798835 has 8 divisors (see below), whose sum is σ = 705466209456. Its totient is φ = 391925671840.

The previous prime is 538897798787. The next prime is 538897798837.

538897798835 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 538897798835 - 2¹² = 538897794739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 538897798835.

It is not an unprimeable number, because it can be changed into a prime (538897798837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4899070844 + ... + 4899070953.

It is an arithmetic number, because the mean of its divisors is an integer number (88183276182).

Almost surely, 2^538897798835 is an apocalyptic number.

538897798835 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

538897798835 is a deficient number, since it is larger than the sum of its proper divisors (166568410621).

538897798835 is a wasteful number, since it uses less digits than its factorization.

538897798835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9798141813.

The product of its digits is 3657830400, while the sum is 80.

The spelling of 538897798835 in words is "five hundred thirty-eight billion, eight hundred ninety-seven million, seven hundred ninety-eight thousand, eight hundred thirty-five".