78934184448 has 80 divisors (see below), whose sum is σ = 240326433600. Its totient is φ = 22552621056.

The previous prime is 78934184387. The next prime is 78934184507. The reversal of 78934184448 is 84448143987.

It is a junction number, because it is equal to n+sod(n) for n = 78934184391 and 78934184400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3659923 + ... + 3681426.

It is an arithmetic number, because the mean of its divisors is an integer number (3004080420).

Almost surely, 2^78934184448 is an apocalyptic number.

It is an amenable number.

78934184448 is an abundant number, since it is smaller than the sum of its proper divisors (161392249152).

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

78934184448 is an equidigital number, since it uses as much as digits as its factorization.

78934184448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7341377 (or 7341361 counting only the distinct ones).

The product of its digits is 24772608, while the sum is 60.

The spelling of 78934184448 in words is "seventy-eight billion, nine hundred thirty-four million, one hundred eighty-four thousand, four hundred forty-eight".