6673440677 has 4 divisors (see below), whose sum is σ = 6675341676. Its totient is φ = 6671539680.

The previous prime is 6673440673. The next prime is 6673440701. The reversal of 6673440677 is 7760443766.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7760443766 = 2 ⋅3880221883.

It can be written as a sum of positive squares in 2 ways, for example, as 5251321156 + 1422119521 = 72466^2 + 37711^2 .

It is a cyclic number.

It is not a de Polignac number, because 6673440677 - 2² = 6673440673 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6673440671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945224 + ... + 952257.

It is an arithmetic number, because the mean of its divisors is an integer number (1668835419).

Almost surely, 2^6673440677 is an apocalyptic number.

It is an amenable number.

6673440677 is a deficient number, since it is larger than the sum of its proper divisors (1900999).

6673440677 is a wasteful number, since it uses less digits than its factorization.

6673440677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900998.

The product of its (nonzero) digits is 3556224, while the sum is 50.

The square root of 6673440677 is about 81691.1297326705. The cubic root of 6673440677 is about 1882.7093007546.

The spelling of 6673440677 in words is "six billion, six hundred seventy-three million, four hundred forty thousand, six hundred seventy-seven".