80845118 has 4 divisors (see below), whose sum is σ = 121267680. Its totient is φ = 40422558.

The previous prime is 80845103. The next prime is 80845129. The reversal of 80845118 is 81154808.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20211278 + ... + 20211281.

It is an arithmetic number, because the mean of its divisors is an integer number (30316920).

Almost surely, 2^80845118 is an apocalyptic number.

80845118 is a deficient number, since it is larger than the sum of its proper divisors (40422562).

80845118 is a wasteful number, since it uses less digits than its factorization.

80845118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40422561.

The product of its (nonzero) digits is 10240, while the sum is 35.

The square root of 80845118 is about 8991.3913272641. The cubic root of 80845118 is about 432.3989192093.

The spelling of 80845118 in words is "eighty million, eight hundred forty-five thousand, one hundred eighteen".