78875742724780 has 48 divisors (see below), whose sum is σ = 166089506577120. Its totient is φ = 31464533120000.

The previous prime is 78875742724739. The next prime is 78875742724781. The reversal of 78875742724780 is 8742724757887.

It is a junction number, because it is equal to n+sod(n) for n = 78875742724697 and 78875742724706.

It is not an unprimeable number, because it can be changed into a prime (78875742724781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34592226 + ... + 36801814.

It is an arithmetic number, because the mean of its divisors is an integer number (3460198053690).

Almost surely, 2^{78875742724780} is an apocalyptic number.

It is an amenable number.

78875742724780 is an abundant number, since it is smaller than the sum of its proper divisors (87213763852340).

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

78875742724780 is a wasteful number, since it uses less digits than its factorization.

78875742724780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214450 (or 2214448 counting only the distinct ones).

The product of its (nonzero) digits is 2753658880, while the sum is 76.

The spelling of 78875742724780 in words is "seventy-eight trillion, eight hundred seventy-five billion, seven hundred forty-two million, seven hundred twenty-four thousand, seven hundred eighty".