6488786738 has 16 divisors (see below), whose sum is σ = 11138269824. Its totient is φ = 2777249760.

The previous prime is 6488786737. The next prime is 6488786779. The reversal of 6488786738 is 8376878846.

It is not an unprimeable number, because it can be changed into a prime (6488786737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293870 + ... + 315177.

It is an arithmetic number, because the mean of its divisors is an integer number (696141864).

Almost surely, 2^6488786738 is an apocalyptic number.

6488786738 is a deficient number, since it is larger than the sum of its proper divisors (4649483086).

6488786738 is a wasteful number, since it uses less digits than its factorization.

6488786738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609817.

The product of its digits is 86704128, while the sum is 65.

The square root of 6488786738 is about 80553.0057663896. The cubic root of 6488786738 is about 1865.1817908168.

The spelling of 6488786738 in words is "six billion, four hundred eighty-eight million, seven hundred eighty-six thousand, seven hundred thirty-eight".