5378136623872 has 72 divisors (see below), whose sum is σ = 10784464417440. Its totient is φ = 2676749475840.

The previous prime is 5378136623843. The next prime is 5378136623927. The reversal of 5378136623872 is 2783266318735.

It is a self number, because there is not a number n which added to its sum of digits gives 5378136623872.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438560013 + ... + 438572275.

It is an arithmetic number, because the mean of its divisors is an integer number (149784228020).

Almost surely, 2^{5378136623872} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5378136623872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5392232208720).

5378136623872 is an abundant number, since it is smaller than the sum of its proper divisors (5406327793568).

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

5378136623872 is a wasteful number, since it uses less digits than its factorization.

5378136623872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19989 (or 19975 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 61.

The spelling of 5378136623872 in words is "five trillion, three hundred seventy-eight billion, one hundred thirty-six million, six hundred twenty-three thousand, eight hundred seventy-two".