78882036177340 has 96 divisors (see below), whose sum is σ = 181801620661248. Its totient is φ = 28511368512000.

The previous prime is 78882036177317. The next prime is 78882036177391. The reversal of 78882036177340 is 4377163028887.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1457485480 + ... + 1457539600.

It is an arithmetic number, because the mean of its divisors is an integer number (1893766881888).

Almost surely, 2^{78882036177340} 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 78882036177340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90900810330624).

78882036177340 is an abundant number, since it is smaller than the sum of its proper divisors (102919584483908).

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

78882036177340 is a wasteful number, since it uses less digits than its factorization.

78882036177340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93979 (or 93977 counting only the distinct ones).

The product of its (nonzero) digits is 75866112, while the sum is 64.

The spelling of 78882036177340 in words is "seventy-eight trillion, eight hundred eighty-two billion, thirty-six million, one hundred seventy-seven thousand, three hundred forty".