82712496386 has 32 divisors (see below), whose sum is σ = 134144262000. Its totient is φ = 38023372800.

The previous prime is 82712496353. The next prime is 82712496389. The reversal of 82712496386 is 68369421728.

It can be written as a sum of positive squares in 8 ways, for example, as 20813544361 + 61898952025 = 144269^2 + 248795^2 .

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (82712496389) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7010180 + ... + 7021968.

Almost surely, 2^82712496386 is an apocalyptic number.

82712496386 is a deficient number, since it is larger than the sum of its proper divisors (51431765614).

82712496386 is a wasteful number, since it uses less digits than its factorization.

82712496386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12854.

The product of its digits is 6967296, while the sum is 56.

The spelling of 82712496386 in words is "eighty-two billion, seven hundred twelve million, four hundred ninety-six thousand, three hundred eighty-six".