80866834 has 8 divisors (see below), whose sum is σ = 121910400. Its totient is φ = 40230036.

The previous prime is 80866823. The next prime is 80866843. The reversal of 80866834 is 43866808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 101194 + ... + 101989.

It is an arithmetic number, because the mean of its divisors is an integer number (15238800).

Almost surely, 2^80866834 is an apocalyptic number.

80866834 is a deficient number, since it is larger than the sum of its proper divisors (41043566).

80866834 is a wasteful number, since it uses less digits than its factorization.

80866834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203384.

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 80866834 is about 8992.5988457175. The cubic root of 80866834 is about 432.4376316450.

Adding to 80866834 its product of nonzero digits (221184), we get a palindrome (81088018).

The spelling of 80866834 in words is "eighty million, eight hundred sixty-six thousand, eight hundred thirty-four".