8945937966 has 16 divisors (see below), whose sum is σ = 20447858304. Its totient is φ = 2555982264.

The previous prime is 8945937961. The next prime is 8945937983. The reversal of 8945937966 is 6697395498.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8945937897 and 8945937906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8945937961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106499220 + ... + 106499303.

It is an arithmetic number, because the mean of its divisors is an integer number (1277991144).

Almost surely, 2^8945937966 is an apocalyptic number.

8945937966 is an abundant number, since it is smaller than the sum of its proper divisors (11501920338).

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

8945937966 is a wasteful number, since it uses less digits than its factorization.

8945937966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212998535.

The product of its digits is 88179840, while the sum is 66.

The square root of 8945937966 is about 94582.9686888713. The cubic root of 8945937966 is about 2075.9105088929.

The spelling of 8945937966 in words is "eight billion, nine hundred forty-five million, nine hundred thirty-seven thousand, nine hundred sixty-six".