8973801856 has 64 divisors (see below), whose sum is σ = 18343402560. Its totient is φ = 4370329600.

The previous prime is 8973801841. The next prime is 8973801871. The reversal of 8973801856 is 6581083798.

It is an interprime number because it is at equal distance from previous prime (8973801841) and next prime (8973801871).

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 8973801797 and 8973801806.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 4779990 + ... + 4781866.

It is an arithmetic number, because the mean of its divisors is an integer number (286615665).

Almost surely, 2^8973801856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8973801856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9171701280).

8973801856 is an abundant number, since it is smaller than the sum of its proper divisors (9369600704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8973801856 is a wasteful number, since it uses less digits than its factorization.

8973801856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843 (or 2831 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 55.

The square root of 8973801856 is about 94730.1528342481. The cubic root of 8973801856 is about 2078.0635527872.

The spelling of 8973801856 in words is "eight billion, nine hundred seventy-three million, eight hundred one thousand, eight hundred fifty-six".