38566380078 has 12 divisors (see below), whose sum is σ = 83560490208. Its totient is φ = 12855460020.

The previous prime is 38566380077. The next prime is 38566380103. The reversal of 38566380078 is 87008366583.

It is a happy number.

38566380078 is a `hidden beast` number, since 3 + 8 + 566 + 3 + 8 + 0 + 0 + 78 = 666.

38566380078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38566380077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1071288318 + ... + 1071288353.

It is an arithmetic number, because the mean of its divisors is an integer number (6963374184).

Almost surely, 2^38566380078 is an apocalyptic number.

38566380078 is an abundant number, since it is smaller than the sum of its proper divisors (44994110130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38566380078 is a wasteful number, since it uses less digits than its factorization.

38566380078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142576679 (or 2142576676 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 38566380078 in words is "thirty-eight billion, five hundred sixty-six million, three hundred eighty thousand, seventy-eight".