6666672827 has 2 divisors, whose sum is σ = 6666672828. Its totient is φ = 6666672826.

The previous prime is 6666672821. The next prime is 6666672911. The reversal of 6666672827 is 7282766666.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6666672827 - 2¹⁶ = 6666607291 is a prime.

It is not a weakly prime, because it can be changed into another prime (6666672821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3333336413 + 3333336414.

It is an arithmetic number, because the mean of its divisors is an integer number (3333336414).

Almost surely, 2^6666672827 is an apocalyptic number.

6666672827 is a deficient number, since it is larger than the sum of its proper divisors (1).

6666672827 is an equidigital number, since it uses as much as digits as its factorization.

6666672827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12192768, while the sum is 56.

The square root of 6666672827 is about 81649.6958169472. The cubic root of 6666672827 is about 1882.0726374714.

The spelling of 6666672827 in words is "six billion, six hundred sixty-six million, six hundred seventy-two thousand, eight hundred twenty-seven".