80715707 has 2 divisors, whose sum is σ = 80715708. Its totient is φ = 80715706.

The previous prime is 80715703. The next prime is 80715709. The reversal of 80715707 is 70751708.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80715707 - 2² = 80715703 is a prime.

It is a super-3 number, since 3×80715707³ (a number of 25 digits) contains 333 as substring.

Together with 80715709, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80715703) 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, 40357853 + 40357854.

It is an arithmetic number, because the mean of its divisors is an integer number (40357854).

Almost surely, 2^80715707 is an apocalyptic number.

80715707 is a deficient number, since it is larger than the sum of its proper divisors (1).

80715707 is an equidigital number, since it uses as much as digits as its factorization.

80715707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13720, while the sum is 35.

The square root of 80715707 is about 8984.1920616158. The cubic root of 80715707 is about 432.1680783872.

The spelling of 80715707 in words is "eighty million, seven hundred fifteen thousand, seven hundred seven".