387408459888 has 120 divisors (see below), whose sum is σ = 1091964931200. Its totient is φ = 128214237312.

The previous prime is 387408459887. The next prime is 387408459901. The reversal of 387408459888 is 888954804783.

387408459888 is a `hidden beast` number, since 387 + 4 + 0 + 84 + 5 + 98 + 88 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387408459887) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16974981 + ... + 16997787.

It is an arithmetic number, because the mean of its divisors is an integer number (9099707760).

Almost surely, 2^387408459888 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 387408459888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545982465600).

387408459888 is an abundant number, since it is smaller than the sum of its proper divisors (704556471312).

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

387408459888 is a wasteful number, since it uses less digits than its factorization.

387408459888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23659 (or 23650 counting only the distinct ones).

The product of its (nonzero) digits is 495452160, while the sum is 72.

The spelling of 387408459888 in words is "three hundred eighty-seven billion, four hundred eight million, four hundred fifty-nine thousand, eight hundred eighty-eight".