80783245237 has 2 divisors, whose sum is σ = 80783245238. Its totient is φ = 80783245236.

The previous prime is 80783245199. The next prime is 80783245241. The reversal of 80783245237 is 73254238708.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68246860081 + 12536385156 = 261241^2 + 111966^2 .

It is a cyclic number.

It is not a de Polignac number, because 80783245237 - 2³⁵ = 46423506869 is a prime.

It is a super-2 number, since 2×80783245237² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80783243237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40391622618 + 40391622619.

It is an arithmetic number, because the mean of its divisors is an integer number (40391622619).

Almost surely, 2^80783245237 is an apocalyptic number.

It is an amenable number.

80783245237 is a deficient number, since it is larger than the sum of its proper divisors (1).

80783245237 is an equidigital number, since it uses as much as digits as its factorization.

80783245237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 80783245237 in words is "eighty billion, seven hundred eighty-three million, two hundred forty-five thousand, two hundred thirty-seven".