80550079 has 2 divisors, whose sum is σ = 80550080. Its totient is φ = 80550078.

The previous prime is 80550047. The next prime is 80550091. The reversal of 80550079 is 97005508.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80550079 - 2⁵ = 80550047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80550779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40275039 + 40275040.

It is an arithmetic number, because the mean of its divisors is an integer number (40275040).

Almost surely, 2^80550079 is an apocalyptic number.

80550079 is a deficient number, since it is larger than the sum of its proper divisors (1).

80550079 is an equidigital number, since it uses as much as digits as its factorization.

80550079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 80550079 is about 8974.9695821212. The cubic root of 80550079 is about 431.8722741256.

The spelling of 80550079 in words is "eighty million, five hundred fifty thousand, seventy-nine".