80871229177 has 16 divisors (see below), whose sum is σ = 88856853120. Its totient is φ = 73260633600.

The previous prime is 80871229171. The next prime is 80871229181. The reversal of 80871229177 is 77192217808.

It is a cyclic number.

It is not a de Polignac number, because 80871229177 - 2¹⁵ = 80871196409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80871229171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1441227 + ... + 1496287.

It is an arithmetic number, because the mean of its divisors is an integer number (5553553320).

Almost surely, 2^80871229177 is an apocalyptic number.

It is an amenable number.

80871229177 is a deficient number, since it is larger than the sum of its proper divisors (7985623943).

80871229177 is a wasteful number, since it uses less digits than its factorization.

80871229177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58464.

The product of its (nonzero) digits is 790272, while the sum is 52.

The spelling of 80871229177 in words is "eighty billion, eight hundred seventy-one million, two hundred twenty-nine thousand, one hundred seventy-seven".