538687786835 has 16 divisors (see below), whose sum is σ = 705525176160. Its totient is φ = 391587440640.

The previous prime is 538687786771. The next prime is 538687786843.

538687786835 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 538687786835 - 2⁶ = 538687786771 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2201420 + ... + 2433849.

It is an arithmetic number, because the mean of its divisors is an integer number (44095323510).

Almost surely, 2^538687786835 is an apocalyptic number.

538687786835 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

538687786835 is a deficient number, since it is larger than the sum of its proper divisors (166837389325).

538687786835 is a wasteful number, since it uses less digits than its factorization.

538687786835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4637398.

The product of its digits is 1625702400, while the sum is 74.

The spelling of 538687786835 in words is "five hundred thirty-eight billion, six hundred eighty-seven million, seven hundred eighty-six thousand, eight hundred thirty-five".