6128517678 has 16 divisors (see below), whose sum is σ = 12902142720. Its totient is φ = 1935321336.

The previous prime is 6128517653. The next prime is 6128517701. The reversal of 6128517678 is 8767158216.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6128517678.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26879350 + ... + 26879577.

It is an arithmetic number, because the mean of its divisors is an integer number (806383920).

Almost surely, 2^6128517678 is an apocalyptic number.

6128517678 is an abundant number, since it is smaller than the sum of its proper divisors (6773625042).

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

6128517678 is a wasteful number, since it uses less digits than its factorization.

6128517678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53758951.

The product of its digits is 1128960, while the sum is 51.

The square root of 6128517678 is about 78284.8496070600. The cubic root of 6128517678 is about 1830.0030535349.

The spelling of 6128517678 in words is "six billion, one hundred twenty-eight million, five hundred seventeen thousand, six hundred seventy-eight".