6622628677 has 4 divisors (see below), whose sum is σ = 7568718496. Its totient is φ = 5676538860.

The previous prime is 6622628603. The next prime is 6622628687. The reversal of 6622628677 is 7768262266.

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 6622628677 - 2¹¹ = 6622626629 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 (6622628687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473044899 + ... + 473044912.

It is an arithmetic number, because the mean of its divisors is an integer number (1892179624).

Almost surely, 2^6622628677 is an apocalyptic number.

It is an amenable number.

6622628677 is a deficient number, since it is larger than the sum of its proper divisors (946089819).

6622628677 is an equidigital number, since it uses as much as digits as its factorization.

6622628677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946089818.

The product of its digits is 4064256, while the sum is 52.

The square root of 6622628677 is about 81379.5347553671. The cubic root of 6622628677 is about 1877.9187656698.

The spelling of 6622628677 in words is "six billion, six hundred twenty-two million, six hundred twenty-eight thousand, six hundred seventy-seven".