866278347063 has 32 divisors (see below), whose sum is σ = 1201610342400. Its totient is φ = 554640742656.

The previous prime is 866278347041. The next prime is 866278347113. The reversal of 866278347063 is 360743872668.

866278347063 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 866278347063 - 2¹² = 866278342967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 866278346988 and 866278347006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866278347023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36458395 + ... + 36482147.

It is an arithmetic number, because the mean of its divisors is an integer number (37550323200).

Almost surely, 2^866278347063 is an apocalyptic number.

866278347063 is a deficient number, since it is larger than the sum of its proper divisors (335331995337).

866278347063 is a wasteful number, since it uses less digits than its factorization.

866278347063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28031.

The product of its (nonzero) digits is 48771072, while the sum is 60.

The spelling of 866278347063 in words is "eight hundred sixty-six billion, two hundred seventy-eight million, three hundred forty-seven thousand, sixty-three".