78842886082 has 8 divisors (see below), whose sum is σ = 118265720076. Its totient is φ = 39420979392.

The previous prime is 78842886079. The next prime is 78842886097. The reversal of 78842886082 is 28068824887.

It can be written as a sum of positive squares in 2 ways, for example, as 78322179321 + 520706761 = 279861^2 + 22819^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 78842886082.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48558 + ... + 400054.

Almost surely, 2^78842886082 is an apocalyptic number.

78842886082 is a deficient number, since it is larger than the sum of its proper divisors (39422833994).

78842886082 is a wasteful number, since it uses less digits than its factorization.

78842886082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463652.

The product of its (nonzero) digits is 22020096, while the sum is 61.

The spelling of 78842886082 in words is "seventy-eight billion, eight hundred forty-two million, eight hundred eighty-six thousand, eighty-two".