71086079 has 2 divisors, whose sum is σ = 71086080. Its totient is φ = 71086078.

The previous prime is 71086051. The next prime is 71086109. The reversal of 71086079 is 97068017.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71086079 - 2²⁰ = 70037503 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71086019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35543039 + 35543040.

It is an arithmetic number, because the mean of its divisors is an integer number (35543040).

Almost surely, 2^71086079 is an apocalyptic number.

71086079 is a deficient number, since it is larger than the sum of its proper divisors (1).

71086079 is an equidigital number, since it uses as much as digits as its factorization.

71086079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 71086079 is about 8431.2560748681. The cubic root of 71086079 is about 414.2490488869.

The spelling of 71086079 in words is "seventy-one million, eighty-six thousand, seventy-nine".