80613012871 has 2 divisors, whose sum is σ = 80613012872. Its totient is φ = 80613012870.

The previous prime is 80613012841. The next prime is 80613012911. The reversal of 80613012871 is 17821031608.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80613012871 - 2⁷ = 80613012743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80613012871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80613012811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40306506435 + 40306506436.

It is an arithmetic number, because the mean of its divisors is an integer number (40306506436).

Almost surely, 2^80613012871 is an apocalyptic number.

80613012871 is a deficient number, since it is larger than the sum of its proper divisors (1).

80613012871 is an equidigital number, since it uses as much as digits as its factorization.

80613012871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 37.

The spelling of 80613012871 in words is "eighty billion, six hundred thirteen million, twelve thousand, eight hundred seventy-one".