78593041856 has 28 divisors (see below), whose sum is σ = 178237792368. Its totient is φ = 33682732032.

The previous prime is 78593041789. The next prime is 78593041859. The reversal of 78593041856 is 65814039587.

It is a tau number, because it is divible by the number of its divisors (28).

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78593041859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87715001 + ... + 87715896.

Almost surely, 2^78593041856 is an apocalyptic number.

It is an amenable number.

78593041856 is an abundant number, since it is smaller than the sum of its proper divisors (99644750512).

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

78593041856 is a wasteful number, since it uses less digits than its factorization.

78593041856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175430916 (or 175430906 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 56.

The spelling of 78593041856 in words is "seventy-eight billion, five hundred ninety-three million, forty-one thousand, eight hundred fifty-six".