8214437117 has 2 divisors, whose sum is σ = 8214437118. Its totient is φ = 8214437116.

The previous prime is 8214437059. The next prime is 8214437171. The reversal of 8214437117 is 7117344128.

Together with next prime (8214437171) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7774654276 + 439782841 = 88174^2 + 20971^2 .

It is a cyclic number.

It is not a de Polignac number, because 8214437117 - 2¹² = 8214433021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8214437177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4107218558 + 4107218559.

It is an arithmetic number, because the mean of its divisors is an integer number (4107218559).

Almost surely, 2^8214437117 is an apocalyptic number.

It is an amenable number.

8214437117 is a deficient number, since it is larger than the sum of its proper divisors (1).

8214437117 is an equidigital number, since it uses as much as digits as its factorization.

8214437117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37632, while the sum is 38.

The square root of 8214437117 is about 90633.5319680305. The cubic root of 8214437117 is about 2017.7124315571.

The spelling of 8214437117 in words is "eight billion, two hundred fourteen million, four hundred thirty-seven thousand, one hundred seventeen".