992047117 has 2 divisors, whose sum is σ = 992047118. Its totient is φ = 992047116.

The previous prime is 992047103. The next prime is 992047127. The reversal of 992047117 is 711740299.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 751362921 + 240684196 = 27411^2 + 15514^2 .

It is a cyclic number.

It is not a de Polignac number, because 992047117 - 2⁷ = 992046989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 992047117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (992047127) 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, 496023558 + 496023559.

It is an arithmetic number, because the mean of its divisors is an integer number (496023559).

Almost surely, 2^992047117 is an apocalyptic number.

It is an amenable number.

992047117 is a deficient number, since it is larger than the sum of its proper divisors (1).

992047117 is an equidigital number, since it uses as much as digits as its factorization.

992047117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 992047117 is about 31496.7794702887. The cubic root of 992047117 is about 997.3419801904.

The spelling of 992047117 in words is "nine hundred ninety-two million, forty-seven thousand, one hundred seventeen".