9865874528488 has 384 divisors, whose sum is σ = 22519258675200. Its totient is φ = 4035677184000.

The previous prime is 9865874528479. The next prime is 9865874528509. The reversal of 9865874528488 is 8848254785689.

9865874528488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9865874528488² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3747007620 + ... + 3747010252.

It is an arithmetic number, because the mean of its divisors is an integer number (58643902800).

Almost surely, 2^{9865874528488} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9865874528488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11259629337600).

9865874528488 is an abundant number, since it is smaller than the sum of its proper divisors (12653384146712).

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

9865874528488 is a wasteful number, since it uses less digits than its factorization.

9865874528488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865 (or 2850 counting only the distinct ones).

The product of its digits is 9909043200, while the sum is 82.

The spelling of 9865874528488 in words is "nine trillion, eight hundred sixty-five billion, eight hundred seventy-four million, five hundred twenty-eight thousand, four hundred eighty-eight".