844854029 has 2 divisors, whose sum is σ = 844854030. Its totient is φ = 844854028.

The previous prime is 844854011. The next prime is 844854061. The reversal of 844854029 is 920458448.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 833476900 + 11377129 = 28870^2 + 3373^2 .

It is a cyclic number.

It is not a de Polignac number, because 844854029 - 2⁸ = 844853773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (844854089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 422427014 + 422427015.

It is an arithmetic number, because the mean of its divisors is an integer number (422427015).

Almost surely, 2^844854029 is an apocalyptic number.

It is an amenable number.

844854029 is a deficient number, since it is larger than the sum of its proper divisors (1).

844854029 is an equidigital number, since it uses as much as digits as its factorization.

844854029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 368640, while the sum is 44.

The square root of 844854029 is about 29066.3728215269. The cubic root of 844854029 is about 945.3527527912.

The spelling of 844854029 in words is "eight hundred forty-four million, eight hundred fifty-four thousand, twenty-nine".