4987255891968 has 384 divisors, whose sum is σ = 17136027417600. Its totient is φ = 1403655340032.

The previous prime is 4987255891963. The next prime is 4987255891997. The reversal of 4987255891968 is 8691985527894.

4987255891968 is a `hidden beast` number, since 4 + 9 + 8 + 7 + 25 + 589 + 1 + 9 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is not an unprimeable number, because it can be changed into a prime (4987255891963) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 25837671 + ... + 26029977.

It is an arithmetic number, because the mean of its divisors is an integer number (44625071400).

Almost surely, 2^{4987255891968} is an apocalyptic number.

4987255891968 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4987255891968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8568013708800).

4987255891968 is an abundant number, since it is smaller than the sum of its proper divisors (12148771525632).

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

4987255891968 is a wasteful number, since it uses less digits than its factorization.

4987255891968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192412 (or 192386 counting only the distinct ones).

The product of its digits is 3135283200, while the sum is 81.

The spelling of 4987255891968 in words is "four trillion, nine hundred eighty-seven billion, two hundred fifty-five million, eight hundred ninety-one thousand, nine hundred sixty-eight".