7686143427 has 16 divisors (see below), whose sum is σ = 10711100160. Its totient is φ = 4893363552.

The previous prime is 7686143417. The next prime is 7686143467. The reversal of 7686143427 is 7243416867.

It is a happy number.

It is not a de Polignac number, because 7686143427 - 2⁷ = 7686143299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7686143417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47268 + ... + 132689.

It is an arithmetic number, because the mean of its divisors is an integer number (669443760).

Almost surely, 2^7686143427 is an apocalyptic number.

7686143427 is a deficient number, since it is larger than the sum of its proper divisors (3024956733).

7686143427 is a wasteful number, since it uses less digits than its factorization.

7686143427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180602.

The product of its digits is 1354752, while the sum is 48.

The square root of 7686143427 is about 87670.6531685489. The cubic root of 7686143427 is about 1973.4955954280.

The spelling of 7686143427 in words is "seven billion, six hundred eighty-six million, one hundred forty-three thousand, four hundred twenty-seven".