80804845 has 8 divisors (see below), whose sum is σ = 105780960. Its totient is φ = 58767120.

The previous prime is 80804837. The next prime is 80804851. The reversal of 80804845 is 54840808.

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

It is not a de Polignac number, because 80804845 - 2³ = 80804837 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 734535 + ... + 734644.

It is an arithmetic number, because the mean of its divisors is an integer number (13222620).

Almost surely, 2^80804845 is an apocalyptic number.

It is an amenable number.

80804845 is a deficient number, since it is larger than the sum of its proper divisors (24976115).

80804845 is a wasteful number, since it uses less digits than its factorization.

80804845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469195.

The product of its (nonzero) digits is 40960, while the sum is 37.

The square root of 80804845 is about 8989.1515172457. The cubic root of 80804845 is about 432.3271074352.

The spelling of 80804845 in words is "eighty million, eight hundred four thousand, eight hundred forty-five".