878924969941 has 2 divisors, whose sum is σ = 878924969942. Its totient is φ = 878924969940.

The previous prime is 878924969939. The next prime is 878924969953. The reversal of 878924969941 is 149969429878.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 644600236900 + 234324733041 = 802870^2 + 484071^2 .

It is a cyclic number.

It is not a de Polignac number, because 878924969941 - 2¹ = 878924969939 is a prime.

Together with 878924969939, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (878924969981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439462484970 + 439462484971.

It is an arithmetic number, because the mean of its divisors is an integer number (439462484971).

Almost surely, 2^878924969941 is an apocalyptic number.

It is an amenable number.

878924969941 is a deficient number, since it is larger than the sum of its proper divisors (1).

878924969941 is an equidigital number, since it uses as much as digits as its factorization.

878924969941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564350976, while the sum is 76.

The spelling of 878924969941 in words is "eight hundred seventy-eight billion, nine hundred twenty-four million, nine hundred sixty-nine thousand, nine hundred forty-one".