6674477791 has 2 divisors, whose sum is σ = 6674477792. Its totient is φ = 6674477790.

The previous prime is 6674477773. The next prime is 6674477827. The reversal of 6674477791 is 1977744766.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6674477791 - 2⁹ = 6674477279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6674477701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3337238895 + 3337238896.

It is an arithmetic number, because the mean of its divisors is an integer number (3337238896).

Almost surely, 2^6674477791 is an apocalyptic number.

6674477791 is a deficient number, since it is larger than the sum of its proper divisors (1).

6674477791 is an equidigital number, since it uses as much as digits as its factorization.

6674477791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12446784, while the sum is 58.

The square root of 6674477791 is about 81697.4772621530. The cubic root of 6674477791 is about 1882.8068258109.

The spelling of 6674477791 in words is "six billion, six hundred seventy-four million, four hundred seventy-seven thousand, seven hundred ninety-one".