8722685141 has 2 divisors, whose sum is σ = 8722685142. Its totient is φ = 8722685140.

The previous prime is 8722685137. The next prime is 8722685143. The reversal of 8722685141 is 1415862278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8495308900 + 227376241 = 92170^2 + 15079^2 .

It is a cyclic number.

It is not a de Polignac number, because 8722685141 - 2² = 8722685137 is a prime.

Together with 8722685143, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 8722685092 and 8722685101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8722685143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4361342570 + 4361342571.

It is an arithmetic number, because the mean of its divisors is an integer number (4361342571).

Almost surely, 2^8722685141 is an apocalyptic number.

It is an amenable number.

8722685141 is a deficient number, since it is larger than the sum of its proper divisors (1).

8722685141 is an equidigital number, since it uses as much as digits as its factorization.

8722685141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 215040, while the sum is 44.

The square root of 8722685141 is about 93395.3164832156. The cubic root of 8722685141 is about 2058.4961800113.

The spelling of 8722685141 in words is "eight billion, seven hundred twenty-two million, six hundred eighty-five thousand, one hundred forty-one".