78888844228844 has 24 divisors (see below), whose sum is σ = 148811154436560. Its totient is φ = 36376923570624.

The previous prime is 78888844228763. The next prime is 78888844228913. The reversal of 78888844228844 is 44882244888887.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 693947354 + ... + 694061025.

It is an arithmetic number, because the mean of its divisors is an integer number (6200464768190).

Almost surely, 2^{78888844228844} is an apocalyptic number.

It is an amenable number.

78888844228844 is a deficient number, since it is larger than the sum of its proper divisors (69922310207716).

78888844228844 is a wasteful number, since it uses less digits than its factorization.

78888844228844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388009489 (or 1388009487 counting only the distinct ones).

The product of its digits is 15032385536, while the sum is 83.

The spelling of 78888844228844 in words is "seventy-eight trillion, eight hundred eighty-eight billion, eight hundred forty-four million, two hundred twenty-eight thousand, eight hundred forty-four".