6887645070 has 16 divisors (see below), whose sum is σ = 16530348240. Its totient is φ = 1836705344.

The previous prime is 6887645059. The next prime is 6887645077. The reversal of 6887645070 is 705467886.

It is a super-2 number, since 2×6887645070² = 94879309220590609800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6887645077) 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 7 ways as a sum of consecutive naturals, for example, 114794055 + ... + 114794114.

It is an arithmetic number, because the mean of its divisors is an integer number (1033146765).

Almost surely, 2^6887645070 is an apocalyptic number.

6887645070 is an abundant number, since it is smaller than the sum of its proper divisors (9642703170).

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

6887645070 is a wasteful number, since it uses less digits than its factorization.

6887645070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229588179.

The product of its (nonzero) digits is 2257920, while the sum is 51.

The square root of 6887645070 is about 82991.8373697076. The cubic root of 6887645070 is about 1902.6413006187.

The spelling of 6887645070 in words is "six billion, eight hundred eighty-seven million, six hundred forty-five thousand, seventy".