78718606822 has 8 divisors (see below), whose sum is σ = 122149562400. Its totient is φ = 38002086024.

The previous prime is 78718606789. The next prime is 78718606823. The reversal of 78718606822 is 22860681787.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78718606823) 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 3 ways as a sum of consecutive naturals, for example, 678608622 + ... + 678608737.

It is an arithmetic number, because the mean of its divisors is an integer number (15268695300).

Almost surely, 2^78718606822 is an apocalyptic number.

78718606822 is a deficient number, since it is larger than the sum of its proper divisors (43430955578).

78718606822 is a wasteful number, since it uses less digits than its factorization.

78718606822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357217390.

The product of its (nonzero) digits is 3612672, while the sum is 55.

The spelling of 78718606822 in words is "seventy-eight billion, seven hundred eighteen million, six hundred six thousand, eight hundred twenty-two".