78044123300525 has 48 divisors (see below), whose sum is σ = 98388677346624. Its totient is φ = 61401005191680.

The previous prime is 78044123300513. The next prime is 78044123300603. The reversal of 78044123300525 is 52500332144087.

It is not a de Polignac number, because 78044123300525 - 2³⁴ = 78026943431341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4049392289 + ... + 4049411561.

It is an arithmetic number, because the mean of its divisors is an integer number (2049764111388).

Almost surely, 2^{78044123300525} is an apocalyptic number.

It is an amenable number.

78044123300525 is a deficient number, since it is larger than the sum of its proper divisors (20344554046099).

78044123300525 is a wasteful number, since it uses less digits than its factorization.

78044123300525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28190 (or 28185 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 78044123300525 in words is "seventy-eight trillion, forty-four billion, one hundred twenty-three million, three hundred thousand, five hundred twenty-five".