7946220768 has 24 divisors (see below), whose sum is σ = 20858829768. Its totient is φ = 2648740224.

The previous prime is 7946220743. The next prime is 7946220773. The reversal of 7946220768 is 8670226497.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 7946220768.

It is a congruent number.

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, 41386471 + ... + 41386662.

It is an arithmetic number, because the mean of its divisors is an integer number (869117907).

Almost surely, 2^7946220768 is an apocalyptic number.

It is an amenable number.

7946220768 is an abundant number, since it is smaller than the sum of its proper divisors (12912609000).

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

7946220768 is a wasteful number, since it uses less digits than its factorization.

7946220768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82773146 (or 82773138 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The square root of 7946220768 is about 89141.5771006998. The cubic root of 7946220768 is about 1995.5083172782.

The spelling of 7946220768 in words is "seven billion, nine hundred forty-six million, two hundred twenty thousand, seven hundred sixty-eight".