6379977 has 4 divisors (see below), whose sum is σ = 8506640. Its totient is φ = 4253316.

The previous prime is 6379963. The next prime is 6379999. The reversal of 6379977 is 7799736.

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 not a de Polignac number, because 6379977 - 2¹⁸ = 6117833 is a prime.

It is a D-number.

It is a Duffinian number.

6379977 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6379927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1063327 + ... + 1063332.

It is an arithmetic number, because the mean of its divisors is an integer number (2126660).

Almost surely, 2^6379977 is an apocalyptic number.

It is an amenable number.

6379977 is a deficient number, since it is larger than the sum of its proper divisors (2126663).

6379977 is a wasteful number, since it uses less digits than its factorization.

6379977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126662.

The product of its digits is 500094, while the sum is 48.

The square root of 6379977 is about 2525.8616351653. The cubic root of 6379977 is about 185.4697291271.

The spelling of 6379977 in words is "six million, three hundred seventy-nine thousand, nine hundred seventy-seven".