7889770966 has 96 divisors (see below), whose sum is σ = 15270819840. Its totient is φ = 3022790400.

The previous prime is 7889770963. The next prime is 7889771023. The reversal of 7889770966 is 6690779887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7889770963) 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 47 ways as a sum of consecutive naturals, for example, 29113411 + ... + 29113681.

It is an arithmetic number, because the mean of its divisors is an integer number (159071040).

Almost surely, 2^7889770966 is an apocalyptic number.

7889770966 is a deficient number, since it is larger than the sum of its proper divisors (7381048874).

7889770966 is a wasteful number, since it uses less digits than its factorization.

7889770966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 64012032, while the sum is 67.

The square root of 7889770966 is about 88824.3827223134. The cubic root of 7889770966 is about 1990.7717321940.

The spelling of 7889770966 in words is "seven billion, eight hundred eighty-nine million, seven hundred seventy thousand, nine hundred sixty-six".