82147639346 has 16 divisors (see below), whose sum is σ = 123406481880. Its totient is φ = 41012175360.

The previous prime is 82147639337. The next prime is 82147639421. The reversal of 82147639346 is 64393674128.

It can be written as a sum of positive squares in 4 ways, for example, as 61154817025 + 20992822321 = 247295^2 + 144889^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11012450 + ... + 11019906.

Almost surely, 2^82147639346 is an apocalyptic number.

82147639346 is a deficient number, since it is larger than the sum of its proper divisors (41258842534).

82147639346 is a wasteful number, since it uses less digits than its factorization.

82147639346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14989.

The product of its digits is 5225472, while the sum is 53.

The spelling of 82147639346 in words is "eighty-two billion, one hundred forty-seven million, six hundred thirty-nine thousand, three hundred forty-six".