387486311800 has 192 divisors, whose sum is σ = 1041262283520. Its totient is φ = 131353436160.

The previous prime is 387486311791. The next prime is 387486311801. The reversal of 387486311800 is 8113684783.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387486311801) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86432359 + ... + 86436841.

It is an arithmetic number, because the mean of its divisors is an integer number (5423241060).

Almost surely, 2^387486311800 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 387486311800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520631141760).

387486311800 is an abundant number, since it is smaller than the sum of its proper divisors (653775971720).

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

387486311800 is a wasteful number, since it uses less digits than its factorization.

387486311800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5190 (or 5181 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 387486311800 in words is "three hundred eighty-seven billion, four hundred eighty-six million, three hundred eleven thousand, eight hundred".