180487964 has 18 divisors (see below), whose sum is σ = 320401032. Its totient is φ = 88963000.

The previous prime is 180487939. The next prime is 180487981. The reversal of 180487964 is 469784081.

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 in 5 ways as a sum of consecutive naturals, for example, 15689 + ... + 24639.

Almost surely, 2^180487964 is an apocalyptic number.

It is an amenable number.

180487964 is a deficient number, since it is larger than the sum of its proper divisors (139913068).

180487964 is an equidigital number, since it uses as much as digits as its factorization.

180487964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9097 (or 9024 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 180487964 is about 13434.5809015391. The cubic root of 180487964 is about 565.1313699797.

The spelling of 180487964 in words is "one hundred eighty million, four hundred eighty-seven thousand, nine hundred sixty-four".