82671260040612 has 72 divisors (see below), whose sum is σ = 215711990630136. Its totient is φ = 26676197420544.

The previous prime is 82671260040583. The next prime is 82671260040631. The reversal of 82671260040612 is 21604006217628.

82671260040612 is a `hidden beast` number, since 8 + 2 + 6 + 7 + 1 + 26 + 0 + 0 + 4 + 0 + 612 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 77449961920356 + 5221298120256 = 8800566^2 + 2285016^2 .

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 23 ways as a sum of consecutive naturals, for example, 157264273 + ... + 157789080.

It is an arithmetic number, because the mean of its divisors is an integer number (2995999869863).

Almost surely, 2^{82671260040612} is an apocalyptic number.

It is an amenable number.

82671260040612 is an abundant number, since it is smaller than the sum of its proper divisors (133040730589524).

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

82671260040612 is a wasteful number, since it uses less digits than its factorization.

82671260040612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315053597 (or 315053592 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 82671260040612 in words is "eighty-two trillion, six hundred seventy-one billion, two hundred sixty million, forty thousand, six hundred twelve".