78047944954824 has 192 divisors, whose sum is σ = 221086926005760. Its totient is φ = 22921722869760.

The previous prime is 78047944954823. The next prime is 78047944954867. The reversal of 78047944954824 is 42845944974087.

It is not an unprimeable number, because it can be changed into a prime (78047944954823) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4927162 + ... + 13430294.

It is an arithmetic number, because the mean of its divisors is an integer number (1151494406280).

Almost surely, 2^{78047944954824} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78047944954824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110543463002880).

78047944954824 is an abundant number, since it is smaller than the sum of its proper divisors (143038981050936).

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

78047944954824 is a wasteful number, since it uses less digits than its factorization.

78047944954824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8503272 (or 8503255 counting only the distinct ones).

The product of its (nonzero) digits is 2601123840, while the sum is 75.

The spelling of 78047944954824 in words is "seventy-eight trillion, forty-seven billion, nine hundred forty-four million, nine hundred fifty-four thousand, eight hundred twenty-four".