38839078785 has 16 divisors (see below), whose sum is σ = 66922720704. Its totient is φ = 19120777152.

The previous prime is 38839078783. The next prime is 38839078793. The reversal of 38839078785 is 58787093883.

It is a happy number.

38839078785 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 38839078785 - 2¹ = 38839078783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38839078783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99587187 + ... + 99587576.

It is an arithmetic number, because the mean of its divisors is an integer number (4182670044).

Almost surely, 2^38839078785 is an apocalyptic number.

It is an amenable number.

38839078785 is a deficient number, since it is larger than the sum of its proper divisors (28083641919).

38839078785 is a wasteful number, since it uses less digits than its factorization.

38839078785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199174784.

The product of its (nonzero) digits is 81285120, while the sum is 66.

The spelling of 38839078785 in words is "thirty-eight billion, eight hundred thirty-nine million, seventy-eight thousand, seven hundred eighty-five".