80998207 has 2 divisors, whose sum is σ = 80998208. Its totient is φ = 80998206.

The previous prime is 80998193. The next prime is 80998213. The reversal of 80998207 is 70289908.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80998207 - 2⁷ = 80998079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80998237) 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, 40499103 + 40499104.

It is an arithmetic number, because the mean of its divisors is an integer number (40499104).

Almost surely, 2^80998207 is an apocalyptic number.

80998207 is a deficient number, since it is larger than the sum of its proper divisors (1).

80998207 is an equidigital number, since it uses as much as digits as its factorization.

80998207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 80998207 is about 8999.9003883376. The cubic root of 80998207 is about 432.6716785335.

The spelling of 80998207 in words is "eighty million, nine hundred ninety-eight thousand, two hundred seven".