387004663500 has 1152 divisors, whose sum is σ = 1514319206400. Its totient is φ = 74574950400.

The previous prime is 387004663489. The next prime is 387004663501. The reversal of 387004663500 is 5366400783.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387004663501) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 3550501446 + ... + 3550501554.

It is an arithmetic number, because the mean of its divisors is an integer number (1314513200).

Almost surely, 2^387004663500 is an apocalyptic number.

387004663500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 387004663500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (757159603200).

387004663500 is an abundant number, since it is smaller than the sum of its proper divisors (1127314542900).

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

387004663500 is a wasteful number, since it uses less digits than its factorization.

387004663500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 387004663500 in words is "three hundred eighty-seven billion, four million, six hundred sixty-three thousand, five hundred".