387788611480 has 96 divisors (see below), whose sum is σ = 933480784800. Its totient is φ = 144938045952.

The previous prime is 387788611439. The next prime is 387788611531. The reversal of 387788611480 is 84116887783.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 870181 + ... + 1238059.

It is an arithmetic number, because the mean of its divisors is an integer number (9723758175).

Almost surely, 2^387788611480 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 387788611480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466740392400).

387788611480 is an abundant number, since it is smaller than the sum of its proper divisors (545692173320).

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

387788611480 is a wasteful number, since it uses less digits than its factorization.

387788611480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368001 (or 367978 counting only the distinct ones).

The product of its (nonzero) digits is 14450688, while the sum is 61.

The spelling of 387788611480 in words is "three hundred eighty-seven billion, seven hundred eighty-eight million, six hundred eleven thousand, four hundred eighty".