8985377856 has 224 divisors, whose sum is σ = 30801218560. Its totient is φ = 2244962304.

The previous prime is 8985377827. The next prime is 8985377861. The reversal of 8985377856 is 6587735898.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 318435 + ... + 345501.

It is an arithmetic number, because the mean of its divisors is an integer number (137505440).

Almost surely, 2^8985377856 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 8985377856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15400609280).

8985377856 is an abundant number, since it is smaller than the sum of its proper divisors (21815840704).

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

8985377856 is a wasteful number, since it uses less digits than its factorization.

8985377856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27121 (or 27111 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 66.

The square root of 8985377856 is about 94791.2330123414. The cubic root of 8985377856 is about 2078.9567203925.

The spelling of 8985377856 in words is "eight billion, nine hundred eighty-five million, three hundred seventy-seven thousand, eight hundred fifty-six".