80894001172 has 12 divisors (see below), whose sum is σ = 145390569940. Its totient is φ = 39353838336.

The previous prime is 80894001151. The next prime is 80894001191. The reversal of 80894001172 is 27110049808.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 65763525136 + 15130476036 = 256444^2 + 123006^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273290397 + ... + 273290692.

Almost surely, 2^80894001172 is an apocalyptic number.

It is an amenable number.

80894001172 is a deficient number, since it is larger than the sum of its proper divisors (64496568768).

80894001172 is a wasteful number, since it uses less digits than its factorization.

80894001172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546581130 (or 546581128 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 40.

The spelling of 80894001172 in words is "eighty billion, eight hundred ninety-four million, one thousand, one hundred seventy-two".