387100128996 has 144 divisors (see below), whose sum is σ = 1123568654208. Its totient is φ = 110079129600.

The previous prime is 387100128953. The next prime is 387100129037. The reversal of 387100128996 is 699821001783.

387100128996 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50790066 + ... + 50797686.

Almost surely, 2^387100128996 is an apocalyptic number.

387100128996 is a gapful number since it is divisible by the number (36) 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 387100128996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (561784327104).

387100128996 is an abundant number, since it is smaller than the sum of its proper divisors (736468525212).

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

387100128996 is a wasteful number, since it uses less digits than its factorization.

387100128996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8562 (or 8557 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 387100128996 in words is "three hundred eighty-seven billion, one hundred million, one hundred twenty-eight thousand, nine hundred ninety-six".