82740232765066 has 8 divisors (see below), whose sum is σ = 124206039474660. Its totient is φ = 41338219606848.

The previous prime is 82740232765063. The next prime is 82740232765109. The reversal of 82740232765066 is 66056723204728.

It can be written as a sum of positive squares in 2 ways, for example, as 51303970457041 + 31436262308025 = 7162679^2 + 5606805^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×82740232765066² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82740232765066.

It is not an unprimeable number, because it can be changed into a prime (82740232765063) 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 3 ways as a sum of consecutive naturals, for example, 15948384601 + ... + 15948389788.

Almost surely, 2^{82740232765066} is an apocalyptic number.

82740232765066 is a deficient number, since it is larger than the sum of its proper divisors (41465806709594).

82740232765066 is a wasteful number, since it uses less digits than its factorization.

82740232765066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31896775688.

The product of its (nonzero) digits is 40642560, while the sum is 58.

The spelling of 82740232765066 in words is "eighty-two trillion, seven hundred forty billion, two hundred thirty-two million, seven hundred sixty-five thousand, sixty-six".