7668492147 has 18 divisors (see below), whose sum is σ = 11115725868. Its totient is φ = 5094342072.

The previous prime is 7668492133. The next prime is 7668492163. The reversal of 7668492147 is 7412948667.

7668492147 is a `hidden beast` number, since 7 + 6 + 6 + 8 + 492 + 147 = 666.

It is not a de Polignac number, because 7668492147 - 2⁸ = 7668491891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7668492093 and 7668492102.

It is not an unprimeable number, because it can be changed into a prime (7668492197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4892958 + ... + 4894524.

It is an arithmetic number, because the mean of its divisors is an integer number (617540326).

Almost surely, 2^7668492147 is an apocalyptic number.

7668492147 is a deficient number, since it is larger than the sum of its proper divisors (3447233721).

7668492147 is an equidigital number, since it uses as much as digits as its factorization.

7668492147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3487 (or 1917 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 7668492147 is about 87569.9271839368. The cubic root of 7668492147 is about 1971.9837221980.

The spelling of 7668492147 in words is "seven billion, six hundred sixty-eight million, four hundred ninety-two thousand, one hundred forty-seven".