180080705 has 32 divisors (see below), whose sum is σ = 256296960. Its totient is φ = 118863360.

The previous prime is 180080699. The next prime is 180080729. The reversal of 180080705 is 507080081.

It is a happy number.

It is not a de Polignac number, because 180080705 - 2¹⁰ = 180079681 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 291557 + ... + 292173.

It is an arithmetic number, because the mean of its divisors is an integer number (8009280).

Almost surely, 2^180080705 is an apocalyptic number.

It is an amenable number.

180080705 is a deficient number, since it is larger than the sum of its proper divisors (76216255).

180080705 is a wasteful number, since it uses less digits than its factorization.

180080705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 180080705 is about 13419.4152257094. The cubic root of 180080705 is about 564.7059895120.

The spelling of 180080705 in words is "one hundred eighty million, eighty thousand, seven hundred five".