80638211 has 2 divisors, whose sum is σ = 80638212. Its totient is φ = 80638210.

The previous prime is 80638199. The next prime is 80638231. The reversal of 80638211 is 11283608.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80638211 - 2¹⁸ = 80376067 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80638231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40319105 + 40319106.

It is an arithmetic number, because the mean of its divisors is an integer number (40319106).

Almost surely, 2^80638211 is an apocalyptic number.

80638211 is a deficient number, since it is larger than the sum of its proper divisors (1).

80638211 is an equidigital number, since it uses as much as digits as its factorization.

80638211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 80638211 is about 8979.8781172130. The cubic root of 80638211 is about 432.0297243922.

The spelling of 80638211 in words is "eighty million, six hundred thirty-eight thousand, two hundred eleven".