10878666706657 has 8 divisors (see below), whose sum is σ = 10887764538240. Its totient is φ = 10869569277840.

The previous prime is 10878666706639. The next prime is 10878666706697. The reversal of 10878666706657 is 75660766687801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10878666706657 - 2⁷ = 10878666706529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10878666706657.

It is not an unprimeable number, because it can be changed into a prime (10878666706637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81001432 + ... + 81135622.

It is an arithmetic number, because the mean of its divisors is an integer number (1360970567280).

Almost surely, 2^{10878666706657} is an apocalyptic number.

It is an amenable number.

10878666706657 is a deficient number, since it is larger than the sum of its proper divisors (9097831583).

10878666706657 is a wasteful number, since it uses less digits than its factorization.

10878666706657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201383.

The product of its (nonzero) digits is 853493760, while the sum is 73.

The spelling of 10878666706657 in words is "ten trillion, eight hundred seventy-eight billion, six hundred sixty-six million, seven hundred six thousand, six hundred fifty-seven".