878298855001 has 2 divisors, whose sum is σ = 878298855002. Its totient is φ = 878298855000.

The previous prime is 878298854971. The next prime is 878298855019. The reversal of 878298855001 is 100558892878.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 878298854976 + 25 = 937176^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 878298855001 - 2⁵ = 878298854969 is a prime.

It is not a weakly prime, because it can be changed into another prime (878298850001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439149427500 + 439149427501.

It is an arithmetic number, because the mean of its divisors is an integer number (439149427501).

Almost surely, 2^878298855001 is an apocalyptic number.

It is an amenable number.

878298855001 is a deficient number, since it is larger than the sum of its proper divisors (1).

878298855001 is an equidigital number, since it uses as much as digits as its factorization.

878298855001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12902400, while the sum is 61.

The spelling of 878298855001 in words is "eight hundred seventy-eight billion, two hundred ninety-eight million, eight hundred fifty-five thousand, one".