80580679 has 2 divisors, whose sum is σ = 80580680. Its totient is φ = 80580678.

The previous prime is 80580671. The next prime is 80580719. The reversal of 80580679 is 97608508.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80580679 - 2³ = 80580671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80580671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40290339 + 40290340.

It is an arithmetic number, because the mean of its divisors is an integer number (40290340).

Almost surely, 2^80580679 is an apocalyptic number.

80580679 is a deficient number, since it is larger than the sum of its proper divisors (1).

80580679 is an equidigital number, since it uses as much as digits as its factorization.

80580679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 80580679 is about 8976.6741614030. The cubic root of 80580679 is about 431.9269548852.

The spelling of 80580679 in words is "eighty million, five hundred eighty thousand, six hundred seventy-nine".