82711679 has 2 divisors, whose sum is σ = 82711680. Its totient is φ = 82711678.

The previous prime is 82711667. The next prime is 82711711. The reversal of 82711679 is 97611728.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82711679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82711649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41355839 + 41355840.

It is an arithmetic number, because the mean of its divisors is an integer number (41355840).

Almost surely, 2^82711679 is an apocalyptic number.

82711679 is a deficient number, since it is larger than the sum of its proper divisors (1).

82711679 is an equidigital number, since it uses as much as digits as its factorization.

82711679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 41.

The square root of 82711679 is about 9094.5961427652. The cubic root of 82711679 is about 435.7013901662.

The spelling of 82711679 in words is "eighty-two million, seven hundred eleven thousand, six hundred seventy-nine".