78882133434 has 96 divisors (see below), whose sum is σ = 176974761600. Its totient is φ = 23412280320.

The previous prime is 78882133409. The next prime is 78882133439. The reversal of 78882133434 is 43433128887.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (78882133439) by changing a digit.

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, 3689427 + ... + 3710745.

It is an arithmetic number, because the mean of its divisors is an integer number (1843487100).

Almost surely, 2^78882133434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78882133434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88487380800).

78882133434 is an abundant number, since it is smaller than the sum of its proper divisors (98092628166).

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

78882133434 is a wasteful number, since it uses less digits than its factorization.

78882133434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21480 (or 21467 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 51.

The spelling of 78882133434 in words is "seventy-eight billion, eight hundred eighty-two million, one hundred thirty-three thousand, four hundred thirty-four".