3899860207488 has 512 divisors, whose sum is σ = 13831254835200. Its totient is φ = 1057644656640.

The previous prime is 3899860207471. The next prime is 3899860207501. The reversal of 3899860207488 is 8847020689983.

3899860207488 is a `hidden beast` number, since 3 + 8 + 9 + 9 + 8 + 602 + 0 + 7 + 4 + 8 + 8 = 666.

It is a super-2 number, since 2×3899860207488² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 72863745 + ... + 72917247.

It is an arithmetic number, because the mean of its divisors is an integer number (27014169600).

Almost surely, 2^{3899860207488} 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 3899860207488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6915627417600).

3899860207488 is an abundant number, since it is smaller than the sum of its proper divisors (9931394627712).

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

3899860207488 is a wasteful number, since it uses less digits than its factorization.

3899860207488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53687 (or 53669 counting only the distinct ones).

The product of its (nonzero) digits is 334430208, while the sum is 72.

The spelling of 3899860207488 in words is "three trillion, eight hundred ninety-nine billion, eight hundred sixty million, two hundred seven thousand, four hundred eighty-eight".