82211853321057 has 8 divisors (see below), whose sum is σ = 109622289486784. Its totient is φ = 54804659684688.

The previous prime is 82211853320999. The next prime is 82211853321109. The reversal of 82211853321057 is 75012335811228.

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

It is not a de Polignac number, because 82211853321057 - 2²⁴ = 82211836543841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82211853320997 and 82211853321015.

It is not an unprimeable number, because it can be changed into a prime (82211853301057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 810573178 + ... + 810674595.

It is an arithmetic number, because the mean of its divisors is an integer number (13702786185848).

Almost surely, 2^{82211853321057} is an apocalyptic number.

It is an amenable number.

82211853321057 is a deficient number, since it is larger than the sum of its proper divisors (27410436165727).

82211853321057 is a wasteful number, since it uses less digits than its factorization.

82211853321057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621264679.

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 82211853321057 in words is "eighty-two trillion, two hundred eleven billion, eight hundred fifty-three million, three hundred twenty-one thousand, fifty-seven".