6663377 has 4 divisors (see below), whose sum is σ = 7615296. Its totient is φ = 5711460.

The previous prime is 6663347. The next prime is 6663383. The reversal of 6663377 is 7733666.

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 6663377 - 2⁸ = 6663121 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 6663377.

It is not an unprimeable number, because it can be changed into a prime (6663317) 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, 475949 + ... + 475962.

It is an arithmetic number, because the mean of its divisors is an integer number (1903824).

Almost surely, 2^6663377 is an apocalyptic number.

It is an amenable number.

6663377 is a deficient number, since it is larger than the sum of its proper divisors (951919).

6663377 is an equidigital number, since it uses as much as digits as its factorization.

6663377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951918.

The product of its digits is 95256, while the sum is 38.

The square root of 6663377 is about 2581.3517776545. The cubic root of 6663377 is about 188.1762437343.

The spelling of 6663377 in words is "six million, six hundred sixty-three thousand, three hundred seventy-seven".