8223779032 has 32 divisors (see below), whose sum is σ = 17625388320. Its totient is φ = 3523875840.

The previous prime is 8223778991. The next prime is 8223779033. The reversal of 8223779032 is 2309773228.

It is a self number, because there is not a number n which added to its sum of digits gives 8223779032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8223779033) 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, 517282 + ... + 532942.

It is an arithmetic number, because the mean of its divisors is an integer number (550793385).

Almost surely, 2^8223779032 is an apocalyptic number.

It is an amenable number.

8223779032 is an abundant number, since it is smaller than the sum of its proper divisors (9401609288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8223779032 is a wasteful number, since it uses less digits than its factorization.

8223779032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25051 (or 25047 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 8223779032 is about 90685.0540717708. The cubic root of 8223779032 is about 2018.4770267360.

The spelling of 8223779032 in words is "eight billion, two hundred twenty-three million, seven hundred seventy-nine thousand, thirty-two".