82505720503082 has 8 divisors (see below), whose sum is σ = 124029387278436. Its totient is φ = 41162591410272.

The previous prime is 82505720503081. The next prime is 82505720503091. The reversal of 82505720503082 is 28030502750528.

It can be written as a sum of positive squares in 2 ways, for example, as 78266029482481 + 4239691020601 = 8846809^2 + 2059051^2 .

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

It is a super-2 number, since 2×82505720503082² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82505720503081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45134419493 + ... + 45134421320.

Almost surely, 2^{82505720503082} is an apocalyptic number.

82505720503082 is a deficient number, since it is larger than the sum of its proper divisors (41523666775354).

82505720503082 is a wasteful number, since it uses less digits than its factorization.

82505720503082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90268841272.

The product of its (nonzero) digits is 1344000, while the sum is 47.

The spelling of 82505720503082 in words is "eighty-two trillion, five hundred five billion, seven hundred twenty million, five hundred three thousand, eighty-two".