8894064128 has 20 divisors (see below), whose sum is σ = 17770758060. Its totient is φ = 4447031808.

The previous prime is 8894064121. The next prime is 8894064133. The reversal of 8894064128 is 8214604988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8894064121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8685098 + ... + 8686121.

It is an arithmetic number, because the mean of its divisors is an integer number (888537903).

Almost surely, 2^8894064128 is an apocalyptic number.

It is an amenable number.

8894064128 is a deficient number, since it is larger than the sum of its proper divisors (8876693932).

8894064128 is an equidigital number, since it uses as much as digits as its factorization.

8894064128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17371237 (or 17371221 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 50.

The square root of 8894064128 is about 94308.3460145495. The cubic root of 8894064128 is about 2071.8902760876.

The spelling of 8894064128 in words is "eight billion, eight hundred ninety-four million, sixty-four thousand, one hundred twenty-eight".