8227808761215 has 32 divisors (see below), whose sum is σ = 13740587168256. Its totient is φ = 4196237063040.

The previous prime is 8227808761199. The next prime is 8227808761243. The reversal of 8227808761215 is 5121678087228.

It is a happy number.

It is not a de Polignac number, because 8227808761215 - 2⁴ = 8227808761199 is a prime.

It is a super-2 number, since 2×8227808761215² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1957264 + ... + 4504053.

It is an arithmetic number, because the mean of its divisors is an integer number (429393349008).

Almost surely, 2^{8227808761215} is an apocalyptic number.

8227808761215 is a deficient number, since it is larger than the sum of its proper divisors (5512778407041).

8227808761215 is a wasteful number, since it uses less digits than its factorization.

8227808761215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6465039.

The product of its (nonzero) digits is 6021120, while the sum is 57.

The spelling of 8227808761215 in words is "eight trillion, two hundred twenty-seven billion, eight hundred eight million, seven hundred sixty-one thousand, two hundred fifteen".