38888888888878 has 32 divisors (see below), whose sum is σ = 71190211368960. Its totient is φ = 15572858726880.

The previous prime is 38888888888873. The next prime is 38888888888917. The reversal of 38888888888878 is 87888888888883.

38888888888878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×38888888888878² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38888888888873) by changing a digit.

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, 1544913876 + ... + 1544939047.

It is an arithmetic number, because the mean of its divisors is an integer number (2224694105280).

Almost surely, 2^{38888888888878} is an apocalyptic number.

38888888888878 is a deficient number, since it is larger than the sum of its proper divisors (32301322480082).

38888888888878 is a wasteful number, since it uses less digits than its factorization.

38888888888878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089852992.

The product of its digits is 1443109011456, while the sum is 106.

The spelling of 38888888888878 in words is "thirty-eight trillion, eight hundred eighty-eight billion, eight hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred seventy-eight".