82775533325 has 6 divisors (see below), whose sum is σ = 102641661354. Its totient is φ = 66220426640.

The previous prime is 82775533297. The next prime is 82775533333. The reversal of 82775533325 is 52333557728.

It can be written as a sum of positive squares in 3 ways, for example, as 21985179076 + 60790354249 = 148274^2 + 246557^2 .

It is not a de Polignac number, because 82775533325 - 2¹⁸ = 82775271181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1655510642 + ... + 1655510691.

It is an arithmetic number, because the mean of its divisors is an integer number (17106943559).

Almost surely, 2^82775533325 is an apocalyptic number.

It is an amenable number.

82775533325 is a deficient number, since it is larger than the sum of its proper divisors (19866128029).

82775533325 is a wasteful number, since it uses less digits than its factorization.

82775533325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3311021343 (or 3311021338 counting only the distinct ones).

The product of its digits is 5292000, while the sum is 50.

The spelling of 82775533325 in words is "eighty-two billion, seven hundred seventy-five million, five hundred thirty-three thousand, three hundred twenty-five".