38589869988 has 240 divisors, whose sum is σ = 106863482880. Its totient is φ = 12125707776.

The previous prime is 38589869963. The next prime is 38589869999. The reversal of 38589869988 is 88996898583.

38589869988 is a `hidden beast` number, since 385 + 8 + 98 + 69 + 98 + 8 = 666.

38589869988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 87110095 + ... + 87110537.

It is an arithmetic number, because the mean of its divisors is an integer number (445264512).

Almost surely, 2^38589869988 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 38589869988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53431741440).

38589869988 is an abundant number, since it is smaller than the sum of its proper divisors (68273612892).

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

38589869988 is a wasteful number, since it uses less digits than its factorization.

38589869988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 677 counting only the distinct ones).

The product of its digits is 2149908480, while the sum is 81.

The spelling of 38589869988 in words is "thirty-eight billion, five hundred eighty-nine million, eight hundred sixty-nine thousand, nine hundred eighty-eight".