6885147087 has 24 divisors (see below), whose sum is σ = 12240262944. Its totient is φ = 3631725504.

The previous prime is 6885147029. The next prime is 6885147107. The reversal of 6885147087 is 7807415886.

It is a happy number.

It is not a de Polignac number, because 6885147087 - 2⁷ = 6885146959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6885147007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4202568 + ... + 4204205.

It is an arithmetic number, because the mean of its divisors is an integer number (510010956).

Almost surely, 2^6885147087 is an apocalyptic number.

6885147087 is a deficient number, since it is larger than the sum of its proper divisors (5355115857).

6885147087 is a wasteful number, since it uses less digits than its factorization.

6885147087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8406799 (or 8406796 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 54.

The square root of 6885147087 is about 82976.7864345203. The cubic root of 6885147087 is about 1902.4112587460.

The spelling of 6885147087 in words is "six billion, eight hundred eighty-five million, one hundred forty-seven thousand, eighty-seven".