80147950844077 has 2 divisors, whose sum is σ = 80147950844078. Its totient is φ = 80147950844076.

The previous prime is 80147950844029. The next prime is 80147950844173. The reversal of 80147950844077 is 77044805974108.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48841005185956 + 31306945658121 = 6988634^2 + 5595261^2 .

It is a cyclic number.

It is not a de Polignac number, because 80147950844077 - 2⁷ = 80147950843949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80147950842077) 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, 40073975422038 + 40073975422039.

It is an arithmetic number, because the mean of its divisors is an integer number (40073975422039).

Almost surely, 2^{80147950844077} is an apocalyptic number.

It is an amenable number.

80147950844077 is a deficient number, since it is larger than the sum of its proper divisors (1).

80147950844077 is an equidigital number, since it uses as much as digits as its factorization.

80147950844077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63221760, while the sum is 64.

The spelling of 80147950844077 in words is "eighty trillion, one hundred forty-seven billion, nine hundred fifty million, eight hundred forty-four thousand, seventy-seven".