9687810215388 has 192 divisors, whose sum is σ = 24875943837696. Its totient is φ = 2927145600000.

The previous prime is 9687810215383. The next prime is 9687810215389. The reversal of 9687810215388 is 8835120187869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9687810215381) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39338638 + ... + 39584138.

It is an arithmetic number, because the mean of its divisors is an integer number (129562207488).

Almost surely, 2^{9687810215388} is an apocalyptic number.

It is an amenable number.

9687810215388 is an abundant number, since it is smaller than the sum of its proper divisors (15188133622308).

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

9687810215388 is a wasteful number, since it uses less digits than its factorization.

9687810215388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245684 (or 245682 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 66.

The spelling of 9687810215388 in words is "nine trillion, six hundred eighty-seven billion, eight hundred ten million, two hundred fifteen thousand, three hundred eighty-eight".