82707511 has 2 divisors, whose sum is σ = 82707512. Its totient is φ = 82707510.

The previous prime is 82707509. The next prime is 82707523. The reversal of 82707511 is 11570728.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82707511 - 2¹ = 82707509 is a prime.

Together with 82707509, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82707211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41353755 + 41353756.

It is an arithmetic number, because the mean of its divisors is an integer number (41353756).

Almost surely, 2^82707511 is an apocalyptic number.

82707511 is a deficient number, since it is larger than the sum of its proper divisors (1).

82707511 is an equidigital number, since it uses as much as digits as its factorization.

82707511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 82707511 is about 9094.3669928148. The cubic root of 82707511 is about 435.6940714339.

The spelling of 82707511 in words is "eighty-two million, seven hundred seven thousand, five hundred eleven".