8894994971 has 2 divisors, whose sum is σ = 8894994972. Its totient is φ = 8894994970.

The previous prime is 8894994937. The next prime is 8894995009. The reversal of 8894994971 is 1794994988.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8894994971 - 2³⁰ = 7821253147 is a prime.

It is not a weakly prime, because it can be changed into another prime (8894991971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4447497485 + 4447497486.

It is an arithmetic number, because the mean of its divisors is an integer number (4447497486).

Almost surely, 2^8894994971 is an apocalyptic number.

8894994971 is a deficient number, since it is larger than the sum of its proper divisors (1).

8894994971 is an equidigital number, since it uses as much as digits as its factorization.

8894994971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47029248, while the sum is 68.

The square root of 8894994971 is about 94313.2809894768. The cubic root of 8894994971 is about 2071.9625541544.

The spelling of 8894994971 in words is "eight billion, eight hundred ninety-four million, nine hundred ninety-four thousand, nine hundred seventy-one".