78856018268676 has 48 divisors (see below), whose sum is σ = 207199391121408. Its totient is φ = 23124932042400.

The previous prime is 78856018268669. The next prime is 78856018268749. The reversal of 78856018268676 is 67686281065887.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9635384260 + ... + 9635392443.

It is an arithmetic number, because the mean of its divisors is an integer number (4316653981696).

Almost surely, 2^{78856018268676} is an apocalyptic number.

It is an amenable number.

78856018268676 is an abundant number, since it is smaller than the sum of its proper divisors (128343372852732).

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

78856018268676 is a wasteful number, since it uses less digits than its factorization.

78856018268676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19270776752 (or 19270776750 counting only the distinct ones).

The product of its (nonzero) digits is 2601123840, while the sum is 78.

The spelling of 78856018268676 in words is "seventy-eight trillion, eight hundred fifty-six billion, eighteen million, two hundred sixty-eight thousand, six hundred seventy-six".