82749841729636 has 9 divisors (see below), whose sum is σ = 144812254865299. Its totient is φ = 41374911768124.

The previous prime is 82749841729631. The next prime is 82749841729657. The reversal of 82749841729636 is 63692714894728.

The square root of 82749841729636 is 9096694.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82749841729631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 15919215 + ... + 20467561.

Almost surely, 2^{82749841729636} is an apocalyptic number.

82749841729636 is the 9096694-th square number.

It is an amenable number.

82749841729636 is a deficient number, since it is larger than the sum of its proper divisors (62062413135663).

82749841729636 is an frugal number, since it uses more digits than its factorization.

82749841729636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9096698 (or 4548349 counting only the distinct ones).

The product of its digits is 1755758592, while the sum is 76.

The spelling of 82749841729636 in words is "eighty-two trillion, seven hundred forty-nine billion, eight hundred forty-one million, seven hundred twenty-nine thousand, six hundred thirty-six".