82701858128056 has 8 divisors (see below), whose sum is σ = 155065983990120. Its totient is φ = 41350929064024.

The previous prime is 82701858128041. The next prime is 82701858128107. The reversal of 82701858128056 is 65082185810728.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 82701858127985 and 82701858128003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5168866132996 + ... + 5168866133011.

It is an arithmetic number, because the mean of its divisors is an integer number (19383247998765).

Almost surely, 2^{82701858128056} is an apocalyptic number.

It is an amenable number.

82701858128056 is a deficient number, since it is larger than the sum of its proper divisors (72364125862064).

82701858128056 is a wasteful number, since it uses less digits than its factorization.

82701858128056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10337732266013 (or 10337732266009 counting only the distinct ones).

The product of its (nonzero) digits is 17203200, while the sum is 61.

The spelling of 82701858128056 in words is "eighty-two trillion, seven hundred one billion, eight hundred fifty-eight million, one hundred twenty-eight thousand, fifty-six".