80986730 has 16 divisors (see below), whose sum is σ = 159028704. Its totient is φ = 29449680.

The previous prime is 80986727. The next prime is 80986739. The reversal of 80986730 is 3768908.

It is not an unprimeable number, because it can be changed into a prime (80986739) 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 7 ways as a sum of consecutive naturals, for example, 368012 + ... + 368231.

It is an arithmetic number, because the mean of its divisors is an integer number (9939294).

Almost surely, 2^80986730 is an apocalyptic number.

80986730 is a deficient number, since it is larger than the sum of its proper divisors (78041974).

80986730 is a wasteful number, since it uses less digits than its factorization.

80986730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736261.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 80986730 is about 8999.2627475810. The cubic root of 80986730 is about 432.6512418366.

The spelling of 80986730 in words is "eighty million, nine hundred eighty-six thousand, seven hundred thirty".