862688886268 has 48 divisors (see below), whose sum is σ = 1689394371840. Its totient is φ = 382051644800.

The previous prime is 862688886229. The next prime is 862688886271.

It is a happy number.

862688886268 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×862688886268² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 862688886194 and 862688886203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1018563 + ... + 1662181.

It is an arithmetic number, because the mean of its divisors is an integer number (35195716080).

Almost surely, 2^862688886268 is an apocalyptic number.

It is an amenable number.

862688886268 is a deficient number, since it is larger than the sum of its proper divisors (826705485572).

862688886268 is a wasteful number, since it uses less digits than its factorization.

862688886268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644418 (or 644416 counting only the distinct ones).

The product of its digits is 1358954496, while the sum is 76.

The spelling of 862688886268 in words is "eight hundred sixty-two billion, six hundred eighty-eight million, eight hundred eighty-six thousand, two hundred sixty-eight".