8770145 has 8 divisors (see below), whose sum is σ = 10571904. Its totient is φ = 6984304.

The previous prime is 8770121. The next prime is 8770159. The reversal of 8770145 is 5410778.

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

It is a cyclic number.

It is not a de Polignac number, because 8770145 - 2⁶ = 8770081 is a prime.

It is a Duffinian 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, 2729 + ... + 4998.

It is an arithmetic number, because the mean of its divisors is an integer number (1321488).

Almost surely, 2^8770145 is an apocalyptic number.

It is an amenable number.

8770145 is a deficient number, since it is larger than the sum of its proper divisors (1801759).

8770145 is a wasteful number, since it uses less digits than its factorization.

8770145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7959.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 8770145 is about 2961.4430604015. The cubic root of 8770145 is about 206.2222833891. Note that the first 4 decimals are identical.

The spelling of 8770145 in words is "eight million, seven hundred seventy thousand, one hundred forty-five".