8223415785 has 48 divisors (see below), whose sum is σ = 15830524800. Its totient is φ = 4048439616.

The previous prime is 8223415637. The next prime is 8223415799. The reversal of 8223415785 is 5875143228.

8223415785 is a `hidden beast` number, since 8 + 223 + 415 + 7 + 8 + 5 = 666.

It is not a de Polignac number, because 8223415785 - 2¹⁶ = 8223350249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 8223415785.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 157405 + ... + 203034.

It is an arithmetic number, because the mean of its divisors is an integer number (329802600).

Almost surely, 2^8223415785 is an apocalyptic number.

It is an amenable number.

8223415785 is a deficient number, since it is larger than the sum of its proper divisors (7607109015).

8223415785 is a wasteful number, since it uses less digits than its factorization.

8223415785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360479 (or 360460 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 8223415785 is about 90683.0512554579. The cubic root of 8223415785 is about 2018.4473073690.

The spelling of 8223415785 in words is "eight billion, two hundred twenty-three million, four hundred fifteen thousand, seven hundred eighty-five".