8780945 has 8 divisors (see below), whose sum is σ = 11091840. Its totient is φ = 6654960.

The previous prime is 8780923. The next prime is 8780977. The reversal of 8780945 is 5490878.

8780945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 8780945 - 2⁸ = 8780689 is a prime.

It is a Curzon 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, 46121 + ... + 46310.

It is an arithmetic number, because the mean of its divisors is an integer number (1386480).

Almost surely, 2^8780945 is an apocalyptic number.

It is an amenable number.

8780945 is a deficient number, since it is larger than the sum of its proper divisors (2310895).

8780945 is a wasteful number, since it uses less digits than its factorization.

8780945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92455.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 8780945 is about 2963.2659347416. The cubic root of 8780945 is about 206.3068995141.

The spelling of 8780945 in words is "eight million, seven hundred eighty thousand, nine hundred forty-five".