878767676443 has 2 divisors, whose sum is σ = 878767676444. Its totient is φ = 878767676442.

The previous prime is 878767676411. The next prime is 878767676473. The reversal of 878767676443 is 344676767878.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 878767676443 - 2⁵ = 878767676411 is a prime.

It is a super-2 number, since 2×878767676443² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (878767676473) 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, 439383838221 + 439383838222.

It is an arithmetic number, because the mean of its divisors is an integer number (439383838222).

Almost surely, 2^878767676443 is an apocalyptic number.

878767676443 is a deficient number, since it is larger than the sum of its proper divisors (1).

878767676443 is an equidigital number, since it uses as much as digits as its factorization.

878767676443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1593188352, while the sum is 73.

The spelling of 878767676443 in words is "eight hundred seventy-eight billion, seven hundred sixty-seven million, six hundred seventy-six thousand, four hundred forty-three".