82843223057 has 8 divisors (see below), whose sum is σ = 94680406656. Its totient is φ = 71006648832.

The previous prime is 82843223033. The next prime is 82843223063. The reversal of 82843223057 is 75032234828.

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

It is a de Polignac number, because none of the positive numbers 2^k-82843223057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82843222999 and 82843223017.

It is not an unprimeable number, because it can be changed into a prime (82843223077) 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, 190388 + ... + 449370.

It is an arithmetic number, because the mean of its divisors is an integer number (11835050832).

Almost surely, 2^82843223057 is an apocalyptic number.

It is an amenable number.

82843223057 is a deficient number, since it is larger than the sum of its proper divisors (11837183599).

82843223057 is a wasteful number, since it uses less digits than its factorization.

82843223057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304687.

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 82843223057 in words is "eighty-two billion, eight hundred forty-three million, two hundred twenty-three thousand, fifty-seven".