6679977 has 4 divisors (see below), whose sum is σ = 8906640. Its totient is φ = 4453316.

The previous prime is 6679957. The next prime is 6679979. The reversal of 6679977 is 7799766.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6679977 - 2¹⁴ = 6663593 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (6679979) 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, 1113327 + ... + 1113332.

It is an arithmetic number, because the mean of its divisors is an integer number (2226660).

Almost surely, 2^6679977 is an apocalyptic number.

It is an amenable number.

6679977 is a deficient number, since it is larger than the sum of its proper divisors (2226663).

6679977 is a wasteful number, since it uses less digits than its factorization.

6679977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226662.

The product of its digits is 1000188, while the sum is 51.

The square root of 6679977 is about 2584.5651471766. The cubic root of 6679977 is about 188.3323775415.

The spelling of 6679977 in words is "six million, six hundred seventy-nine thousand, nine hundred seventy-seven".