82507775305775 has 6 divisors (see below), whose sum is σ = 102309641379192. Its totient is φ = 66006220244600.

The previous prime is 82507775305733. The next prime is 82507775305777. The reversal of 82507775305775 is 57750357770528.

It is not a de Polignac number, because 82507775305775 - 2⁸ = 82507775305519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82507775305777) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1650155506091 + ... + 1650155506140.

It is an arithmetic number, because the mean of its divisors is an integer number (17051606896532).

Almost surely, 2^{82507775305775} is an apocalyptic number.

82507775305775 is a deficient number, since it is larger than the sum of its proper divisors (19801866073417).

82507775305775 is a wasteful number, since it uses less digits than its factorization.

82507775305775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300311012241 (or 3300311012236 counting only the distinct ones).

The product of its (nonzero) digits is 504210000, while the sum is 68.

The spelling of 82507775305775 in words is "eighty-two trillion, five hundred seven billion, seven hundred seventy-five million, three hundred five thousand, seven hundred seventy-five".