878552126081805 has 32 divisors (see below), whose sum is σ = 1649914108602624. Its totient is φ = 390769130981376.

The previous prime is 878552126081723. The next prime is 878552126081827. The reversal of 878552126081805 is 508180621255878.

878552126081805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 878552126081805 - 2¹³ = 878552126073613 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113069767812 + ... + 113069775581.

It is an arithmetic number, because the mean of its divisors is an integer number (51559815893832).

Almost surely, 2^{878552126081805} is an apocalyptic number.

It is an amenable number.

878552126081805 is a deficient number, since it is larger than the sum of its proper divisors (771361982520819).

878552126081805 is a wasteful number, since it uses less digits than its factorization.

878552126081805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226139543445.

The product of its (nonzero) digits is 86016000, while the sum is 66.

The spelling of 878552126081805 in words is "eight hundred seventy-eight trillion, five hundred fifty-two billion, one hundred twenty-six million, eighty-one thousand, eight hundred five".