5438779526378 has 32 divisors (see below), whose sum is σ = 9424246148928. Its totient is φ = 2326526841600.

The previous prime is 5438779526363. The next prime is 5438779526423. The reversal of 5438779526378 is 8736259778345.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3224393 + ... + 4612403.

It is an arithmetic number, because the mean of its divisors is an integer number (294507692154).

Almost surely, 2^{5438779526378} is an apocalyptic number.

5438779526378 is a deficient number, since it is larger than the sum of its proper divisors (3985466622550).

5438779526378 is a wasteful number, since it uses less digits than its factorization.

5438779526378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398518.

The product of its digits is 2133734400, while the sum is 74.

The spelling of 5438779526378 in words is "five trillion, four hundred thirty-eight billion, seven hundred seventy-nine million, five hundred twenty-six thousand, three hundred seventy-eight".