538879978835 has 16 divisors (see below), whose sum is σ = 712427471712. Its totient is φ = 388032384000.

The previous prime is 538879978823. The next prime is 538879978837.

538879978835 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 538879978835 - 2⁶ = 538879978771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 538879978835.

It is not an unprimeable number, because it can be changed into a prime (538879978837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48498494 + ... + 48509603.

It is an arithmetic number, because the mean of its divisors is an integer number (44526716982).

Almost surely, 2^538879978835 is an apocalyptic number.

538879978835 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

538879978835 is a deficient number, since it is larger than the sum of its proper divisors (173547492877).

538879978835 is a wasteful number, since it uses less digits than its factorization.

538879978835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97008214.

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

The spelling of 538879978835 in words is "five hundred thirty-eight billion, eight hundred seventy-nine million, nine hundred seventy-eight thousand, eight hundred thirty-five".