878930642297 has 2 divisors, whose sum is σ = 878930642298. Its totient is φ = 878930642296.

The previous prime is 878930642281. The next prime is 878930642323. The reversal of 878930642297 is 792246039878.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 683505641536 + 195425000761 = 826744^2 + 442069^2 .

It is a cyclic number.

It is not a de Polignac number, because 878930642297 - 2⁴ = 878930642281 is a prime.

It is not a weakly prime, because it can be changed into another prime (878930642207) 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, 439465321148 + 439465321149.

It is an arithmetic number, because the mean of its divisors is an integer number (439465321149).

Almost surely, 2^878930642297 is an apocalyptic number.

It is an amenable number.

878930642297 is a deficient number, since it is larger than the sum of its proper divisors (1).

878930642297 is an equidigital number, since it uses as much as digits as its factorization.

878930642297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73156608, while the sum is 65.

The spelling of 878930642297 in words is "eight hundred seventy-eight billion, nine hundred thirty million, six hundred forty-two thousand, two hundred ninety-seven".