4885999866 has 80 divisors (see below), whose sum is σ = 12355532640. Its totient is φ = 1429535520.

The previous prime is 4885999847. The next prime is 4885999897. The reversal of 4885999866 is 6689995884.

4885999866 is a `hidden beast` number, since 488 + 59 + 9 + 98 + 6 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4885999794 and 4885999803.

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 39 ways as a sum of consecutive naturals, for example, 4405 + ... + 98951.

It is an arithmetic number, because the mean of its divisors is an integer number (154444158).

Almost surely, 2^4885999866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4885999866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6177766320).

4885999866 is an abundant number, since it is smaller than the sum of its proper divisors (7469532774).

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

4885999866 is a wasteful number, since it uses less digits than its factorization.

4885999866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94601 (or 94592 counting only the distinct ones).

The product of its digits is 268738560, while the sum is 72.

The square root of 4885999866 is about 69899.9275106920. The cubic root of 4885999866 is about 1696.8800753549.

The spelling of 4885999866 in words is "four billion, eight hundred eighty-five million, nine hundred ninety-nine thousand, eight hundred sixty-six".