82753877582065 has 8 divisors (see below), whose sum is σ = 99304703453160. Its totient is φ = 66203068495872.

The previous prime is 82753877582039. The next prime is 82753877582069. The reversal of 82753877582065 is 56028577835728.

It can be written as a sum of positive squares in 4 ways, for example, as 55762600414096 + 26991277167969 = 7467436^2 + 5195313^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 82753877582065 - 2¹⁹ = 82753877057777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82753877582069) 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, 13227057 + ... + 18451633.

It is an arithmetic number, because the mean of its divisors is an integer number (12413087931645).

Almost surely, 2^{82753877582065} is an apocalyptic number.

It is an amenable number.

82753877582065 is a deficient number, since it is larger than the sum of its proper divisors (16550825871095).

82753877582065 is a wasteful number, since it uses less digits than its factorization.

82753877582065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8392451.

The product of its (nonzero) digits is 1580544000, while the sum is 73.

The spelling of 82753877582065 in words is "eighty-two trillion, seven hundred fifty-three billion, eight hundred seventy-seven million, five hundred eighty-two thousand, sixty-five".