8872276181 has 2 divisors, whose sum is σ = 8872276182. Its totient is φ = 8872276180.

The previous prime is 8872276123. The next prime is 8872276187. The reversal of 8872276181 is 1816722788.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8052370225 + 819905956 = 89735^2 + 28634^2 .

It is a cyclic number.

It is not a de Polignac number, because 8872276181 - 2¹⁸ = 8872014037 is a prime.

It is a super-2 number, since 2×8872276181² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8872276187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4436138090 + 4436138091.

It is an arithmetic number, because the mean of its divisors is an integer number (4436138091).

Almost surely, 2^8872276181 is an apocalyptic number.

It is an amenable number.

8872276181 is a deficient number, since it is larger than the sum of its proper divisors (1).

8872276181 is an equidigital number, since it uses as much as digits as its factorization.

8872276181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 602112, while the sum is 50.

The square root of 8872276181 is about 94192.7607674815. The cubic root of 8872276181 is about 2070.1970438735.

The spelling of 8872276181 in words is "eight billion, eight hundred seventy-two million, two hundred seventy-six thousand, one hundred eighty-one".