80171453172 has 24 divisors (see below), whose sum is σ = 193517301600. Its totient is φ = 25802306656.

The previous prime is 80171453129. The next prime is 80171453191. The reversal of 80171453172 is 27135417108.

It is a happy number.

It is a super-3 number, since 3×80171453172³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80171453172.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115188522 + ... + 115189217.

It is an arithmetic number, because the mean of its divisors is an integer number (8063220900).

Almost surely, 2^80171453172 is an apocalyptic number.

It is an amenable number.

80171453172 is an abundant number, since it is smaller than the sum of its proper divisors (113345848428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80171453172 is a wasteful number, since it uses less digits than its factorization.

80171453172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230377775 (or 230377773 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 39.

The spelling of 80171453172 in words is "eighty billion, one hundred seventy-one million, four hundred fifty-three thousand, one hundred seventy-two".