5128380078 has 8 divisors (see below), whose sum is σ = 10256760168. Its totient is φ = 1709460024.

The previous prime is 5128380077. The next prime is 5128380083. The reversal of 5128380078 is 8700838215.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

5128380078 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5128380071) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 427365001 + ... + 427365012.

It is an arithmetic number, because the mean of its divisors is an integer number (1282095021).

Almost surely, 2^5128380078 is an apocalyptic number.

5128380078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5128380078 is a wasteful number, since it uses less digits than its factorization.

5128380078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854730018.

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 5128380078 is about 71612.7089139910. The cubic root of 5128380078 is about 1724.4875691948.

The spelling of 5128380078 in words is "five billion, one hundred twenty-eight million, three hundred eighty thousand, seventy-eight".