8228785697 has 8 divisors (see below), whose sum is σ = 8981687712. Its totient is φ = 7476688800.

The previous prime is 8228785667. The next prime is 8228785703. The reversal of 8228785697 is 7965878228.

It is a happy number.

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 8228785697 - 2⁸ = 8228785441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8228785667) by changing a digit.

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, 179804 + ... + 220877.

It is an arithmetic number, because the mean of its divisors is an integer number (1122710964).

Almost surely, 2^8228785697 is an apocalyptic number.

It is an amenable number.

8228785697 is a deficient number, since it is larger than the sum of its proper divisors (752902015).

8228785697 is a wasteful number, since it uses less digits than its factorization.

8228785697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402559.

The product of its digits is 27095040, while the sum is 62.

The square root of 8228785697 is about 90712.6545582258. The cubic root of 8228785697 is about 2018.8865622270.

The spelling of 8228785697 in words is "eight billion, two hundred twenty-eight million, seven hundred eighty-five thousand, six hundred ninety-seven".