8897994556 has 24 divisors (see below), whose sum is σ = 17155278000. Its totient is φ = 4004496000.

The previous prime is 8897994529. The next prime is 8897994587. The reversal of 8897994556 is 6554997988.

8897994556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 996681 + ... + 1005568.

It is an arithmetic number, because the mean of its divisors is an integer number (714803250).

Almost surely, 2^8897994556 is an apocalyptic number.

It is an amenable number.

8897994556 is a deficient number, since it is larger than the sum of its proper divisors (8257283444).

8897994556 is a wasteful number, since it uses less digits than its factorization.

8897994556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002365 (or 2002363 counting only the distinct ones).

The product of its digits is 195955200, while the sum is 70.

The square root of 8897994556 is about 94329.1818898054. The cubic root of 8897994556 is about 2072.1954315322.

The spelling of 8897994556 in words is "eight billion, eight hundred ninety-seven million, nine hundred ninety-four thousand, five hundred fifty-six".