9860678643780 has 72 divisors (see below), whose sum is σ = 31018529872512. Its totient is φ = 2629514303712.

The previous prime is 9860678643779. The next prime is 9860678643787. The reversal of 9860678643780 is 873468760689.

9860678643780 is a `hidden beast` number, since 9 + 8 + 606 + 7 + 8 + 6 + 4 + 3 + 7 + 8 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 9860678643699 and 9860678643708.

It is not an unprimeable number, because it can be changed into a prime (9860678643787) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1014468252 + ... + 1014477971.

It is an arithmetic number, because the mean of its divisors is an integer number (430812914896).

Almost surely, 2^{9860678643780} is an apocalyptic number.

9860678643780 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9860678643780 is an abundant number, since it is smaller than the sum of its proper divisors (21157851228732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9860678643780 is a wasteful number, since it uses less digits than its factorization.

9860678643780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028946247 (or 2028946233 counting only the distinct ones).

The product of its (nonzero) digits is 585252864, while the sum is 72.

The spelling of 9860678643780 in words is "nine trillion, eight hundred sixty billion, six hundred seventy-eight million, six hundred forty-three thousand, seven hundred eighty".