9869539000860 has 144 divisors (see below), whose sum is σ = 37324802092032. Its totient is φ = 2050813296000.

The previous prime is 9869539000859. The next prime is 9869539000879. The reversal of 9869539000860 is 680009359689.

9869539000860 is a `hidden beast` number, since 9 + 86 + 95 + 390 + 0 + 0 + 86 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 356030116 + ... + 356057835.

It is an arithmetic number, because the mean of its divisors is an integer number (259200014528).

Almost surely, 2^{9869539000860} is an apocalyptic number.

9869539000860 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9869539000860 is an abundant number, since it is smaller than the sum of its proper divisors (27455263091172).

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

9869539000860 is a wasteful number, since it uses less digits than its factorization.

9869539000860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712087984 (or 712087979 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 63.

The spelling of 9869539000860 in words is "nine trillion, eight hundred sixty-nine billion, five hundred thirty-nine million, eight hundred sixty", and thus it is an aban number.