80670059 has 4 divisors (see below), whose sum is σ = 81022560. Its totient is φ = 80317560.

The previous prime is 80670053. The next prime is 80670061. The reversal of 80670059 is 95007608.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80670059 - 2⁴ = 80670043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80670053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175907 + ... + 176364.

It is an arithmetic number, because the mean of its divisors is an integer number (20255640).

Almost surely, 2^80670059 is an apocalyptic number.

80670059 is a deficient number, since it is larger than the sum of its proper divisors (352501).

80670059 is a wasteful number, since it uses less digits than its factorization.

80670059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352500.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 80670059 is about 8981.6512401674. The cubic root of 80670059 is about 432.0865935095.

The spelling of 80670059 in words is "eighty million, six hundred seventy thousand, fifty-nine".