878870318423659 has 2 divisors, whose sum is σ = 878870318423660. Its totient is φ = 878870318423658.

The previous prime is 878870318423627. The next prime is 878870318423663. The reversal of 878870318423659 is 956324813078878.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 878870318423659 - 2⁵ = 878870318423627 is a prime.

It is a super-2 number, since 2×878870318423659² (a number of 31 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (878870318423159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439435159211829 + 439435159211830.

It is an arithmetic number, because the mean of its divisors is an integer number (439435159211830).

It is a 1-persistent number, because it is pandigital, but 2⋅878870318423659 = 1757740636847318 is not.

Almost surely, 2^{878870318423659} is an apocalyptic number.

878870318423659 is a deficient number, since it is larger than the sum of its proper divisors (1).

878870318423659 is an equidigital number, since it uses as much as digits as its factorization.

878870318423659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3901685760, while the sum is 79.

The spelling of 878870318423659 in words is "eight hundred seventy-eight trillion, eight hundred seventy billion, three hundred eighteen million, four hundred twenty-three thousand, six hundred fifty-nine".