82486868428 has 6 divisors (see below), whose sum is σ = 144352019756. Its totient is φ = 41243434212.

The previous prime is 82486868389. The next prime is 82486868437.

82486868428 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 82486868428.

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 as a sum of consecutive naturals, namely, 10310858550 + ... + 10310858557.

Almost surely, 2^82486868428 is an apocalyptic number.

It is an amenable number.

82486868428 is a deficient number, since it is larger than the sum of its proper divisors (61865151328).

82486868428 is a wasteful number, since it uses less digits than its factorization.

82486868428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20621717111 (or 20621717109 counting only the distinct ones).

The product of its digits is 75497472, while the sum is 64.

The spelling of 82486868428 in words is "eighty-two billion, four hundred eighty-six million, eight hundred sixty-eight thousand, four hundred twenty-eight".