80186944 has 14 divisors (see below), whose sum is σ = 159121094. Its totient is φ = 40093440.

The previous prime is 80186929. The next prime is 80186971. The reversal of 80186944 is 44968108.

It can be written as a sum of positive squares in only one way, i.e., 66585600 + 13601344 = 8160^2 + 3688^2 .

It is a junction number, because it is equal to n+sod(n) for n = 80186897 and 80186906.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626397 + ... + 626524.

Almost surely, 2^80186944 is an apocalyptic number.

It is an amenable number.

80186944 is a deficient number, since it is larger than the sum of its proper divisors (78934150).

80186944 is a wasteful number, since it uses less digits than its factorization.

80186944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252933 (or 1252923 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 80186944 is about 8954.7162992470. The cubic root of 80186944 is about 431.2223091091. Note that the first 3 decimals are identical.

The spelling of 80186944 in words is "eighty million, one hundred eighty-six thousand, nine hundred forty-four".