80640175 has 48 divisors (see below), whose sum is σ = 125920512. Its totient is φ = 49766400.

The previous prime is 80640151. The next prime is 80640181. The reversal of 80640175 is 57104608.

It is not a de Polignac number, because 80640175 - 2¹⁵ = 80607407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 313647 + ... + 313903.

It is an arithmetic number, because the mean of its divisors is an integer number (2623344).

Almost surely, 2^80640175 is an apocalyptic number.

80640175 is a deficient number, since it is larger than the sum of its proper divisors (45280337).

80640175 is a wasteful number, since it uses less digits than its factorization.

80640175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 80640175 is about 8979.9874721516. The cubic root of 80640175 is about 432.0332318257.

The spelling of 80640175 in words is "eighty million, six hundred forty thousand, one hundred seventy-five".