8864171672 has 16 divisors (see below), whose sum is σ = 16621411560. Its totient is φ = 4431795264.

The previous prime is 8864171663. The next prime is 8864171677. The reversal of 8864171672 is 2761714688.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8864171672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8864171677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148868 + ... + 199724.

Almost surely, 2^8864171672 is an apocalyptic number.

It is an amenable number.

8864171672 is a deficient number, since it is larger than the sum of its proper divisors (7757239888).

8864171672 is a wasteful number, since it uses less digits than its factorization.

8864171672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72650 (or 72646 counting only the distinct ones).

The product of its digits is 903168, while the sum is 50.

The square root of 8864171672 is about 94149.7300686518. The cubic root of 8864171672 is about 2069.5665013646.

The spelling of 8864171672 in words is "eight billion, eight hundred sixty-four million, one hundred seventy-one thousand, six hundred seventy-two".