38538718855 has 16 divisors (see below), whose sum is σ = 56918723904. Its totient is φ = 24393738240.

The previous prime is 38538718843. The next prime is 38538718861. The reversal of 38538718855 is 55881783583.

38538718855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38538718855 - 2¹¹ = 38538716807 is a prime.

It is a super-2 number, since 2×38538718855² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38538718793 and 38538718802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42349786 + ... + 42350695.

It is an arithmetic number, because the mean of its divisors is an integer number (3557420244).

Almost surely, 2^38538718855 is an apocalyptic number.

38538718855 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

38538718855 is a deficient number, since it is larger than the sum of its proper divisors (18380005049).

38538718855 is a wasteful number, since it uses less digits than its factorization.

38538718855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84700506.

The product of its digits is 32256000, while the sum is 61.

The spelling of 38538718855 in words is "thirty-eight billion, five hundred thirty-eight million, seven hundred eighteen thousand, eight hundred fifty-five".