9219978568 has 16 divisors (see below), whose sum is σ = 17449026480. Its totient is φ = 4566904848.

The previous prime is 9219978499. The next prime is 9219978583. The reversal of 9219978568 is 8658799129.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5384646 + ... + 5386357.

It is an arithmetic number, because the mean of its divisors is an integer number (1090564155).

Almost surely, 2^9219978568 is an apocalyptic number.

It is an amenable number.

9219978568 is a deficient number, since it is larger than the sum of its proper divisors (8229047912).

9219978568 is a wasteful number, since it uses less digits than its factorization.

9219978568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10771116 (or 10771112 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 64.

The square root of 9219978568 is about 96020.7194724139. The cubic root of 9219978568 is about 2096.8947732891.

The spelling of 9219978568 in words is "nine billion, two hundred nineteen million, nine hundred seventy-eight thousand, five hundred sixty-eight".