8218872277 has 16 divisors (see below), whose sum is σ = 10255652352. Its totient is φ = 6398849520.

The previous prime is 8218872251. The next prime is 8218872283. The reversal of 8218872277 is 7722788128.

It is not a de Polignac number, because 8218872277 - 2¹¹ = 8218870229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8218872247) 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 15 ways as a sum of consecutive naturals, for example, 46438 + ... + 136360.

It is an arithmetic number, because the mean of its divisors is an integer number (640978272).

Almost surely, 2^8218872277 is an apocalyptic number.

It is an amenable number.

8218872277 is a deficient number, since it is larger than the sum of its proper divisors (2036780075).

8218872277 is a wasteful number, since it uses less digits than its factorization.

8218872277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91128.

The product of its digits is 1404928, while the sum is 52.

The square root of 8218872277 is about 90657.9962110348. The cubic root of 8218872277 is about 2018.0755023821.

The spelling of 8218872277 in words is "eight billion, two hundred eighteen million, eight hundred seventy-two thousand, two hundred seventy-seven".