8886945971 has 2 divisors, whose sum is σ = 8886945972. Its totient is φ = 8886945970.

The previous prime is 8886945961. The next prime is 8886946043. The reversal of 8886945971 is 1795496888.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8886945971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8886945898 and 8886945907.

It is not a weakly prime, because it can be changed into another prime (8886945911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4443472985 + 4443472986.

It is an arithmetic number, because the mean of its divisors is an integer number (4443472986).

Almost surely, 2^8886945971 is an apocalyptic number.

8886945971 is a deficient number, since it is larger than the sum of its proper divisors (1).

8886945971 is an equidigital number, since it uses as much as digits as its factorization.

8886945971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34836480, while the sum is 65.

The square root of 8886945971 is about 94270.5997169849. The cubic root of 8886945971 is about 2071.3373988642.

The spelling of 8886945971 in words is "eight billion, eight hundred eighty-six million, nine hundred forty-five thousand, nine hundred seventy-one".