7924221796 has 24 divisors (see below), whose sum is σ = 14130900000. Its totient is φ = 3887093184.

The previous prime is 7924221787. The next prime is 7924221817. The reversal of 7924221796 is 6971224297.

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, 84120 + ... + 151408.

It is an arithmetic number, because the mean of its divisors is an integer number (588787500).

Almost surely, 2^7924221796 is an apocalyptic number.

It is an amenable number.

7924221796 is a deficient number, since it is larger than the sum of its proper divisors (6206678204).

7924221796 is a wasteful number, since it uses less digits than its factorization.

7924221796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67851 (or 67849 counting only the distinct ones).

The product of its digits is 762048, while the sum is 49.

The square root of 7924221796 is about 89018.0981374013. The cubic root of 7924221796 is about 1993.6651054073.

The spelling of 7924221796 in words is "seven billion, nine hundred twenty-four million, two hundred twenty-one thousand, seven hundred ninety-six".