868786380508 has 12 divisors (see below), whose sum is σ = 1572802930440. Its totient is φ = 419414114672.

The previous prime is 868786380491. The next prime is 868786380509. The reversal of 868786380508 is 805083687868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868786380509) 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, 3744768766 + ... + 3744768997.

It is an arithmetic number, because the mean of its divisors is an integer number (131066910870).

Almost surely, 2^868786380508 is an apocalyptic number.

It is an amenable number.

868786380508 is a deficient number, since it is larger than the sum of its proper divisors (704016549932).

868786380508 is a wasteful number, since it uses less digits than its factorization.

868786380508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7489537796 (or 7489537794 counting only the distinct ones).

The product of its (nonzero) digits is 123863040, while the sum is 67.

The spelling of 868786380508 in words is "eight hundred sixty-eight billion, seven hundred eighty-six million, three hundred eighty thousand, five hundred eight".