802162117 has 2 divisors, whose sum is σ = 802162118. Its totient is φ = 802162116.

The previous prime is 802162103. The next prime is 802162177. The reversal of 802162117 is 711261208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 543402721 + 258759396 = 23311^2 + 16086^2 .

It is a cyclic number.

It is not a de Polignac number, because 802162117 - 2¹⁹ = 801637829 is a prime.

It is equal to p_41251780 and since 802162117 and 41251780 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (802162177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401081058 + 401081059.

It is an arithmetic number, because the mean of its divisors is an integer number (401081059).

Almost surely, 2^802162117 is an apocalyptic number.

It is an amenable number.

802162117 is a deficient number, since it is larger than the sum of its proper divisors (1).

802162117 is an equidigital number, since it uses as much as digits as its factorization.

802162117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 802162117 is about 28322.4666475221. The cubic root of 802162117 is about 929.1533192834.

Subtracting from 802162117 its reverse (711261208), we obtain a palindrome (90900909).

The spelling of 802162117 in words is "eight hundred two million, one hundred sixty-two thousand, one hundred seventeen".