82351572047857 has 16 divisors (see below), whose sum is σ = 94452326820864. Its totient is φ = 70334885376000.

The previous prime is 82351572047851. The next prime is 82351572047923. The reversal of 82351572047857 is 75874027515328.

It is a de Polignac number, because none of the positive numbers 2^k-82351572047857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82351572047851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165355057 + ... + 165852337.

It is an arithmetic number, because the mean of its divisors is an integer number (5903270426304).

Almost surely, 2^{82351572047857} is an apocalyptic number.

It is an amenable number.

82351572047857 is a deficient number, since it is larger than the sum of its proper divisors (12100754773007).

82351572047857 is a wasteful number, since it uses less digits than its factorization.

82351572047857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581760.

The product of its (nonzero) digits is 131712000, while the sum is 64.

The spelling of 82351572047857 in words is "eighty-two trillion, three hundred fifty-one billion, five hundred seventy-two million, forty-seven thousand, eight hundred fifty-seven".