80680417 has 2 divisors, whose sum is σ = 80680418. Its totient is φ = 80680416.

The previous prime is 80680393. The next prime is 80680421. The reversal of 80680417 is 71408608.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52548001 + 28132416 = 7249^2 + 5304^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80680417 is a prime.

It is not a weakly prime, because it can be changed into another prime (80680447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40340208 + 40340209.

It is an arithmetic number, because the mean of its divisors is an integer number (40340209).

Almost surely, 2^80680417 is an apocalyptic number.

It is an amenable number.

80680417 is a deficient number, since it is larger than the sum of its proper divisors (1).

80680417 is an equidigital number, since it uses as much as digits as its factorization.

80680417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 80680417 is about 8982.2278416883. The cubic root of 80680417 is about 432.1050859608.

The spelling of 80680417 in words is "eighty million, six hundred eighty thousand, four hundred seventeen".