80288845 has 16 divisors (see below), whose sum is σ = 118581120. Its totient is φ = 50819904.

The previous prime is 80288827. The next prime is 80288861. The reversal of 80288845 is 54888208.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 80288845 - 2¹⁷ = 80157773 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87775 + ... + 88684.

It is an arithmetic number, because the mean of its divisors is an integer number (7411320).

Almost surely, 2^80288845 is an apocalyptic number.

It is an amenable number.

80288845 is a deficient number, since it is larger than the sum of its proper divisors (38292275).

80288845 is a wasteful number, since it uses less digits than its factorization.

80288845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176484.

The product of its (nonzero) digits is 163840, while the sum is 43.

The square root of 80288845 is about 8960.4042877540. The cubic root of 80288845 is about 431.4048965385.

The spelling of 80288845 in words is "eighty million, two hundred eighty-eight thousand, eight hundred forty-five".