878555659967 has 2 divisors, whose sum is σ = 878555659968. Its totient is φ = 878555659966.

The previous prime is 878555659957. The next prime is 878555659973. The reversal of 878555659967 is 769956555878.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 878555659967 - 2¹⁶ = 878555594431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 878555659891 and 878555659900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (878555659957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439277829983 + 439277829984.

It is an arithmetic number, because the mean of its divisors is an integer number (439277829984).

Almost surely, 2^878555659967 is an apocalyptic number.

878555659967 is a deficient number, since it is larger than the sum of its proper divisors (1).

878555659967 is an equidigital number, since it uses as much as digits as its factorization.

878555659967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5715360000, while the sum is 80.

The spelling of 878555659967 in words is "eight hundred seventy-eight billion, five hundred fifty-five million, six hundred fifty-nine thousand, nine hundred sixty-seven".