80899848171 has 16 divisors (see below), whose sum is σ = 123090861600. Its totient is φ = 52475576544.

The previous prime is 80899848167. The next prime is 80899848179. The reversal of 80899848171 is 17184899808.

80899848171 is a `hidden beast` number, since 8 + 0 + 89 + 9 + 8 + 481 + 71 = 666.

It is not a de Polignac number, because 80899848171 - 2² = 80899848167 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 80899848099 and 80899848108.

It is not an unprimeable number, because it can be changed into a prime (80899848179) 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, 40489416 + ... + 40491413.

It is an arithmetic number, because the mean of its divisors is an integer number (7693178850).

Almost surely, 2^80899848171 is an apocalyptic number.

80899848171 is a deficient number, since it is larger than the sum of its proper divisors (42191013429).

80899848171 is a wasteful number, since it uses less digits than its factorization.

80899848171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80980875 (or 80980869 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 63.

The spelling of 80899848171 in words is "eighty billion, eight hundred ninety-nine million, eight hundred forty-eight thousand, one hundred seventy-one".