80690258837 has 2 divisors, whose sum is σ = 80690258838. Its totient is φ = 80690258836.

The previous prime is 80690258809. The next prime is 80690258839. The reversal of 80690258837 is 73885209608.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80663952196 + 26306641 = 284014^2 + 5129^2 .

It is a cyclic number.

It is not a de Polignac number, because 80690258837 - 2⁶ = 80690258773 is a prime.

Together with 80690258839, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80690258839) 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, 40345129418 + 40345129419.

It is an arithmetic number, because the mean of its divisors is an integer number (40345129419).

Almost surely, 2^80690258837 is an apocalyptic number.

It is an amenable number.

80690258837 is a deficient number, since it is larger than the sum of its proper divisors (1).

80690258837 is an equidigital number, since it uses as much as digits as its factorization.

80690258837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 80690258837 in words is "eighty billion, six hundred ninety million, two hundred fifty-eight thousand, eight hundred thirty-seven".