387133122888 has 36 divisors (see below), whose sum is σ = 1048499840115. Its totient is φ = 129042614448.

The previous prime is 387133122869. The next prime is 387133122911. The reversal of 387133122888 is 888221331783.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

387133122888 is a `hidden beast` number, since 3 + 8 + 7 + 1 + 331 + 228 + 88 = 666.

It can be written as a sum of positive squares in only one way, i.e., 193566561444 + 193566561444 = 439962^2 + 439962^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=439962.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5242881 + ... + 5316207.

Almost surely, 2^387133122888 is an apocalyptic number.

It is an amenable number.

387133122888 is an abundant number, since it is smaller than the sum of its proper divisors (661366717227).

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

387133122888 is an frugal number, since it uses more digits than its factorization.

387133122888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146666 (or 73332 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The spelling of 387133122888 in words is "three hundred eighty-seven billion, one hundred thirty-three million, one hundred twenty-two thousand, eight hundred eighty-eight".