80428126319 has 2 divisors, whose sum is σ = 80428126320. Its totient is φ = 80428126318.

The previous prime is 80428126283. The next prime is 80428126321. The reversal of 80428126319 is 91362182408.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80428126319 - 2¹² = 80428122223 is a prime.

It is a super-2 number, since 2×80428126319² (a number of 23 digits) contains 22 as substring.

Together with 80428126321, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80428126319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80428126019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40214063159 + 40214063160.

It is an arithmetic number, because the mean of its divisors is an integer number (40214063160).

Almost surely, 2^80428126319 is an apocalyptic number.

80428126319 is a deficient number, since it is larger than the sum of its proper divisors (1).

80428126319 is an equidigital number, since it uses as much as digits as its factorization.

80428126319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 80428126319 in words is "eighty billion, four hundred twenty-eight million, one hundred twenty-six thousand, three hundred nineteen".