8220677 has 4 divisors (see below), whose sum is σ = 8273196. Its totient is φ = 8168160.

The previous prime is 8220649. The next prime is 8220689. The reversal of 8220677 is 7760228.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1324801 + 6895876 = 1151^2 + 2626^2 .

It is a cyclic number.

It is not a de Polignac number, because 8220677 - 2¹⁶ = 8155141 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 (8220577) 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, 26024 + ... + 26337.

It is an arithmetic number, because the mean of its divisors is an integer number (2068299).

Almost surely, 2^8220677 is an apocalyptic number.

It is an amenable number.

8220677 is a deficient number, since it is larger than the sum of its proper divisors (52519).

8220677 is a wasteful number, since it uses less digits than its factorization.

8220677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52518.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 8220677 is about 2867.1723003684. The cubic root of 8220677 is about 201.8223203129.

The spelling of 8220677 in words is "eight million, two hundred twenty thousand, six hundred seventy-seven".