8966946971 has 4 divisors (see below), whose sum is σ = 8976416712. Its totient is φ = 8957477232.

The previous prime is 8966946941. The next prime is 8966946977. The reversal of 8966946971 is 1796496698.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8966946971 is a prime.

It is a super-2 number, since 2×8966946971² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8966946898 and 8966946907.

It is not an unprimeable number, because it can be changed into a prime (8966946977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4733450 + ... + 4735343.

It is an arithmetic number, because the mean of its divisors is an integer number (2244104178).

Almost surely, 2^8966946971 is an apocalyptic number.

8966946971 is a deficient number, since it is larger than the sum of its proper divisors (9469741).

8966946971 is an equidigital number, since it uses as much as digits as its factorization.

8966946971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9469740.

The product of its digits is 35271936, while the sum is 65.

The square root of 8966946971 is about 94693.9648076898. The cubic root of 8966946971 is about 2077.5342893616.

The spelling of 8966946971 in words is "eight billion, nine hundred sixty-six million, nine hundred forty-six thousand, nine hundred seventy-one".