80967637 has 2 divisors, whose sum is σ = 80967638. Its totient is φ = 80967636.

The previous prime is 80967631. The next prime is 80967641. The reversal of 80967637 is 73676908.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59074596 + 21893041 = 7686^2 + 4679^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80967637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80967631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40483818 + 40483819.

It is an arithmetic number, because the mean of its divisors is an integer number (40483819).

Almost surely, 2^80967637 is an apocalyptic number.

It is an amenable number.

80967637 is a deficient number, since it is larger than the sum of its proper divisors (1).

80967637 is an equidigital number, since it uses as much as digits as its factorization.

80967637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 80967637 is about 8998.2018759305. The cubic root of 80967637 is about 432.6172393138.

The spelling of 80967637 in words is "eighty million, nine hundred sixty-seven thousand, six hundred thirty-seven".