878917104240001 has 4 divisors (see below), whose sum is σ = 878925448204612. Its totient is φ = 878908760275392.

The previous prime is 878917104239963. The next prime is 878917104240013. The reversal of 878917104240001 is 100042401719878.

878917104240001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 429760927416976 + 449156176823025 = 20730676^2 + 21193305^2 .

It is a cyclic number.

It is not a de Polignac number, because 878917104240001 - 2¹⁷ = 878917104108929 is a prime.

It is a super-3 number, since 3×878917104240001³ (a number of 46 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (878917104240101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4171824300 + ... + 4172034973.

It is an arithmetic number, because the mean of its divisors is an integer number (219731362051153).

Almost surely, 2^{878917104240001} is an apocalyptic number.

It is an amenable number.

878917104240001 is a deficient number, since it is larger than the sum of its proper divisors (8343964611).

878917104240001 is a wasteful number, since it uses less digits than its factorization.

878917104240001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8343964610.

The product of its (nonzero) digits is 903168, while the sum is 52.

Adding to 878917104240001 its reverse (100042401719878), we get a palindrome (978959505959879).

The spelling of 878917104240001 in words is "eight hundred seventy-eight trillion, nine hundred seventeen billion, one hundred four million, two hundred forty thousand, one".