82419362728 has 16 divisors (see below), whose sum is σ = 158712962580. Its totient is φ = 40095906048.

The previous prime is 82419362717. The next prime is 82419362731. The reversal of 82419362728 is 82726391428.

It can be written as a sum of positive squares in 2 ways, for example, as 81852065604 + 567297124 = 286098^2 + 23818^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139221601 + ... + 139222192.

Almost surely, 2^82419362728 is an apocalyptic number.

It is an amenable number.

82419362728 is a deficient number, since it is larger than the sum of its proper divisors (76293599852).

82419362728 is a wasteful number, since it uses less digits than its factorization.

82419362728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278443836 (or 278443832 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The spelling of 82419362728 in words is "eighty-two billion, four hundred nineteen million, three hundred sixty-two thousand, seven hundred twenty-eight".