80622637 has 2 divisors, whose sum is σ = 80622638. Its totient is φ = 80622636.

The previous prime is 80622601. The next prime is 80622677. The reversal of 80622637 is 73622608.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80622441 + 196 = 8979^2 + 14^2 .

It is a cyclic number.

It is not a de Polignac number, because 80622637 - 2¹⁹ = 80098349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80622677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40311318 + 40311319.

It is an arithmetic number, because the mean of its divisors is an integer number (40311319).

Almost surely, 2^80622637 is an apocalyptic number.

It is an amenable number.

80622637 is a deficient number, since it is larger than the sum of its proper divisors (1).

80622637 is an equidigital number, since it uses as much as digits as its factorization.

80622637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 80622637 is about 8979.0109143491. The cubic root of 80622637 is about 432.0019093566.

The spelling of 80622637 in words is "eighty million, six hundred twenty-two thousand, six hundred thirty-seven".