80316604021547 has 2 divisors, whose sum is σ = 80316604021548. Its totient is φ = 80316604021546.

The previous prime is 80316604021463. The next prime is 80316604021649. The reversal of 80316604021547 is 74512040661308.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80316604021547 is a prime.

It is not a weakly prime, because it can be changed into another prime (80316604020547) 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, 40158302010773 + 40158302010774.

It is an arithmetic number, because the mean of its divisors is an integer number (40158302010774).

Almost surely, 2^{80316604021547} is an apocalyptic number.

80316604021547 is a deficient number, since it is larger than the sum of its proper divisors (1).

80316604021547 is an equidigital number, since it uses as much as digits as its factorization.

80316604021547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 80316604021547 in words is "eighty trillion, three hundred sixteen billion, six hundred four million, twenty-one thousand, five hundred forty-seven".