80786673 has 16 divisors (see below), whose sum is σ = 130564800. Its totient is φ = 48961440.

The previous prime is 80786659. The next prime is 80786701. The reversal of 80786673 is 37668708.

It is not a de Polignac number, because 80786673 - 2¹² = 80782577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80786653) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 135708 + ... + 136301.

It is an arithmetic number, because the mean of its divisors is an integer number (8160300).

Almost surely, 2^80786673 is an apocalyptic number.

It is an amenable number.

80786673 is a deficient number, since it is larger than the sum of its proper divisors (49778127).

80786673 is a wasteful number, since it uses less digits than its factorization.

80786673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272029 (or 272023 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 80786673 is about 8988.1406864824. The cubic root of 80786673 is about 432.2946966839.

The spelling of 80786673 in words is "eighty million, seven hundred eighty-six thousand, six hundred seventy-three".