866882486610601 has 4 divisors (see below), whose sum is σ = 867417269145604. Its totient is φ = 866347704075600.

The previous prime is 866882486610521. The next prime is 866882486610649. The reversal of 866882486610601 is 106016684288668.

866882486610601 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 409180277522025 + 457702209088576 = 20228205^2 + 21393976^2 .

It is a cyclic number.

It is not a de Polignac number, because 866882486610601 - 2⁹ = 866882486610089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (866882496610601) 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, 267391265070 + ... + 267391268311.

It is an arithmetic number, because the mean of its divisors is an integer number (216854317286401).

Almost surely, 2^{866882486610601} is an apocalyptic number.

It is an amenable number.

866882486610601 is a deficient number, since it is larger than the sum of its proper divisors (534782535003).

866882486610601 is a wasteful number, since it uses less digits than its factorization.

866882486610601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534782535002.

The product of its (nonzero) digits is 254803968, while the sum is 70.

The spelling of 866882486610601 in words is "eight hundred sixty-six trillion, eight hundred eighty-two billion, four hundred eighty-six million, six hundred ten thousand, six hundred one".