80129444971 has 8 divisors (see below), whose sum is σ = 89308360080. Its totient is φ = 71446687488.

The previous prime is 80129444959. The next prime is 80129444977. The reversal of 80129444971 is 17944492108.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80129444971 - 2⁵ = 80129444939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80129444977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124039066 + ... + 124039711.

It is an arithmetic number, because the mean of its divisors is an integer number (11163545010).

Almost surely, 2^80129444971 is an apocalyptic number.

80129444971 is a deficient number, since it is larger than the sum of its proper divisors (9178915109).

80129444971 is a wasteful number, since it uses less digits than its factorization.

80129444971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248078813.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 80129444971 in words is "eighty billion, one hundred twenty-nine million, four hundred forty-four thousand, nine hundred seventy-one".