80527717 has 2 divisors, whose sum is σ = 80527718. Its totient is φ = 80527716.

The previous prime is 80527663. The next prime is 80527771. The reversal of 80527717 is 71772508.

Together with next prime (80527771) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (80527663) and next prime (80527771).

It can be written as a sum of positive squares in only one way, i.e., 61873956 + 18653761 = 7866^2 + 4319^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80527717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80527787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40263858 + 40263859.

It is an arithmetic number, because the mean of its divisors is an integer number (40263859).

Almost surely, 2^80527717 is an apocalyptic number.

It is an amenable number.

80527717 is a deficient number, since it is larger than the sum of its proper divisors (1).

80527717 is an equidigital number, since it uses as much as digits as its factorization.

80527717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27440, while the sum is 37.

The square root of 80527717 is about 8973.7236975516. The cubic root of 80527717 is about 431.8323055258.

The spelling of 80527717 in words is "eighty million, five hundred twenty-seven thousand, seven hundred seventeen".