6888747481 has 8 divisors (see below), whose sum is σ = 8588568384. Its totient is φ = 5367855120.

The previous prime is 6888747479. The next prime is 6888747487. The reversal of 6888747481 is 1847478886.

6888747481 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6888747481 - 2¹ = 6888747479 is a prime.

It is a super-2 number, since 2×6888747481² = 94909683713967690722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6888747487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44732050 + ... + 44732203.

It is an arithmetic number, because the mean of its divisors is an integer number (1073571048).

Almost surely, 2^6888747481 is an apocalyptic number.

It is an amenable number.

6888747481 is a deficient number, since it is larger than the sum of its proper divisors (1699820903).

6888747481 is a wasteful number, since it uses less digits than its factorization.

6888747481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89464271.

The product of its digits is 19267584, while the sum is 61.

The square root of 6888747481 is about 82998.4787872645. The cubic root of 6888747481 is about 1902.7428051136.

The spelling of 6888747481 in words is "six billion, eight hundred eighty-eight million, seven hundred forty-seven thousand, four hundred eighty-one".