38538503885 has 16 divisors (see below), whose sum is σ = 52858618752. Its totient is φ = 26423496000.

The previous prime is 38538503867. The next prime is 38538503959. The reversal of 38538503885 is 58830583583.

It is not a de Polignac number, because 38538503885 - 2¹² = 38538499789 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 38538503885.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 290930 + ... + 402140.

It is an arithmetic number, because the mean of its divisors is an integer number (3303663672).

Almost surely, 2^38538503885 is an apocalyptic number.

38538503885 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38538503885 is a deficient number, since it is larger than the sum of its proper divisors (14320114867).

38538503885 is a wasteful number, since it uses less digits than its factorization.

38538503885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121124.

The product of its (nonzero) digits is 13824000, while the sum is 56.

The spelling of 38538503885 in words is "thirty-eight billion, five hundred thirty-eight million, five hundred three thousand, eight hundred eighty-five".