862666666268 has 48 divisors (see below), whose sum is σ = 1656928078848. Its totient is φ = 389741520000.

The previous prime is 862666666259. The next prime is 862666666297.

862666666268 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 862666666198 and 862666666207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5930933 + ... + 6074643.

It is an arithmetic number, because the mean of its divisors is an integer number (34519334976).

Almost surely, 2^862666666268 is an apocalyptic number.

It is an amenable number.

862666666268 is a deficient number, since it is larger than the sum of its proper divisors (794261412580).

862666666268 is a wasteful number, since it uses less digits than its factorization.

862666666268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144554 (or 144552 counting only the distinct ones).

The product of its digits is 429981696, while the sum is 68.

The spelling of 862666666268 in words is "eight hundred sixty-two billion, six hundred sixty-six million, six hundred sixty-six thousand, two hundred sixty-eight".