202404427117 has 2 divisors, whose sum is σ = 202404427118. Its totient is φ = 202404427116.

The previous prime is 202404427097. The next prime is 202404427157. The reversal of 202404427117 is 711724404202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159052606596 + 43351820521 = 398814^2 + 208211^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202404427117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202404427157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101202213558 + 101202213559.

It is an arithmetic number, because the mean of its divisors is an integer number (101202213559).

Almost surely, 2^202404427117 is an apocalyptic number.

It is an amenable number.

202404427117 is a deficient number, since it is larger than the sum of its proper divisors (1).

202404427117 is an equidigital number, since it uses as much as digits as its factorization.

202404427117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25088, while the sum is 34.

The spelling of 202404427117 in words is "two hundred two billion, four hundred four million, four hundred twenty-seven thousand, one hundred seventeen".