82862772653 has 2 divisors, whose sum is σ = 82862772654. Its totient is φ = 82862772652.

The previous prime is 82862772647. The next prime is 82862772661. The reversal of 82862772653 is 35627726828.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75535926244 + 7326846409 = 274838^2 + 85597^2 .

It is a cyclic number.

It is not a de Polignac number, because 82862772653 - 2²² = 82858578349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82862772613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41431386326 + 41431386327.

It is an arithmetic number, because the mean of its divisors is an integer number (41431386327).

Almost surely, 2^82862772653 is an apocalyptic number.

It is an amenable number.

82862772653 is a deficient number, since it is larger than the sum of its proper divisors (1).

82862772653 is an equidigital number, since it uses as much as digits as its factorization.

82862772653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13547520, while the sum is 56.

The spelling of 82862772653 in words is "eighty-two billion, eight hundred sixty-two million, seven hundred seventy-two thousand, six hundred fifty-three".