82947078764208 has 160 divisors (see below), whose sum is σ = 252837706041600. Its totient is φ = 25962010389504.

The previous prime is 82947078764191. The next prime is 82947078764213. The reversal of 82947078764208 is 80246787074928.

It is a happy number.

82947078764208 is a `hidden beast` number, since 8 + 2 + 9 + 470 + 78 + 7 + 64 + 20 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 43787710 + ... + 45642717.

It is an arithmetic number, because the mean of its divisors is an integer number (1580235662760).

Almost surely, 2^{82947078764208} is an apocalyptic number.

It is an amenable number.

82947078764208 is an abundant number, since it is smaller than the sum of its proper divisors (169890627277392).

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

82947078764208 is a wasteful number, since it uses less digits than its factorization.

82947078764208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89430576 (or 89430564 counting only the distinct ones).

The product of its (nonzero) digits is 606928896, while the sum is 72.

The spelling of 82947078764208 in words is "eighty-two trillion, nine hundred forty-seven billion, seventy-eight million, seven hundred sixty-four thousand, two hundred eight".