80144447008177 has 2 divisors, whose sum is σ = 80144447008178. Its totient is φ = 80144447008176.

The previous prime is 80144447008151. The next prime is 80144447008181. The reversal of 80144447008177 is 77180074444108.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74669801686561 + 5474645321616 = 8641169^2 + 2339796^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80144447008177 is a prime.

It is not a weakly prime, because it can be changed into another prime (80144447008117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40072223504088 + 40072223504089.

It is an arithmetic number, because the mean of its divisors is an integer number (40072223504089).

Almost surely, 2^{80144447008177} is an apocalyptic number.

It is an amenable number.

80144447008177 is a deficient number, since it is larger than the sum of its proper divisors (1).

80144447008177 is an equidigital number, since it uses as much as digits as its factorization.

80144447008177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5619712, while the sum is 55.

The spelling of 80144447008177 in words is "eighty trillion, one hundred forty-four billion, four hundred forty-seven million, eight thousand, one hundred seventy-seven".