383787483535872 has 480 divisors, whose sum is σ = 1213328643246720. Its totient is φ = 116063061442560.

The previous prime is 383787483535787. The next prime is 383787483535903. The reversal of 383787483535872 is 278535384787383.

383787483535872 is a `hidden beast` number, since 3 + 8 + 3 + 7 + 8 + 7 + 4 + 8 + 3 + 535 + 8 + 72 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 383787483535791 and 383787483535800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4819776123 + ... + 4819855749.

It is an arithmetic number, because the mean of its divisors is an integer number (2527768006764).

Almost surely, 2^{383787483535872} is an apocalyptic number.

383787483535872 is a gapful number since it is divisible by the number (32) 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 383787483535872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (606664321623360).

383787483535872 is an abundant number, since it is smaller than the sum of its proper divisors (829541159710848).

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

383787483535872 is a wasteful number, since it uses less digits than its factorization.

383787483535872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81044 (or 81025 counting only the distinct ones).

The product of its digits is 22759833600, while the sum is 81.

The spelling of 383787483535872 in words is "three hundred eighty-three trillion, seven hundred eighty-seven billion, four hundred eighty-three million, five hundred thirty-five thousand, eight hundred seventy-two".