80875666 has 16 divisors (see below), whose sum is σ = 129866400. Its totient is φ = 37659168.

The previous prime is 80875651. The next prime is 80875699. The reversal of 80875666 is 66657808.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15795 + ... + 20278.

It is an arithmetic number, because the mean of its divisors is an integer number (8116650).

Almost surely, 2^80875666 is an apocalyptic number.

80875666 is a deficient number, since it is larger than the sum of its proper divisors (48990734).

80875666 is a wasteful number, since it uses less digits than its factorization.

80875666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36153.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 80875666 is about 8993.0899028087. The cubic root of 80875666 is about 432.4533741934.

The spelling of 80875666 in words is "eighty million, eight hundred seventy-five thousand, six hundred sixty-six".