5378780373523 has 16 divisors (see below), whose sum is σ = 5438289821760. Its totient is φ = 5319397440000.

The previous prime is 5378780373493. The next prime is 5378780373557. The reversal of 5378780373523 is 3253730878735.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5378780373523 - 2⁹ = 5378780373011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5378780373563) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 341784111 + ... + 341799847.

It is an arithmetic number, because the mean of its divisors is an integer number (339893113860).

Almost surely, 2^{5378780373523} is an apocalyptic number.

5378780373523 is a deficient number, since it is larger than the sum of its proper divisors (59509448237).

5378780373523 is a wasteful number, since it uses less digits than its factorization.

5378780373523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19518.

The product of its (nonzero) digits is 88905600, while the sum is 61.

The spelling of 5378780373523 in words is "five trillion, three hundred seventy-eight billion, seven hundred eighty million, three hundred seventy-three thousand, five hundred twenty-three".