847847268866 has 32 divisors (see below), whose sum is σ = 1375349504256. Its totient is φ = 389673720000.

The previous prime is 847847268847. The next prime is 847847268907. The reversal of 847847268866 is 668862748748.

It is a junction number, because it is equal to n+sod(n) for n = 847847268793 and 847847268802.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8285816 + ... + 8387516.

It is an arithmetic number, because the mean of its divisors is an integer number (42979672008).

Almost surely, 2^847847268866 is an apocalyptic number.

847847268866 is a deficient number, since it is larger than the sum of its proper divisors (527502235390).

847847268866 is a wasteful number, since it uses less digits than its factorization.

847847268866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103058.

The product of its digits is 1387266048, while the sum is 74.

The spelling of 847847268866 in words is "eight hundred forty-seven billion, eight hundred forty-seven million, two hundred sixty-eight thousand, eight hundred sixty-six".