383285710803856 has 135 divisors (see below), whose sum is σ = 868883501313873. Its totient is φ = 163315473713280.

The previous prime is 383285710803817. The next prime is 383285710803857. The reversal of 383285710803856 is 658308017582383.

The square root of 383285710803856 is 19577684.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4223501773456 + 379062209030400 = 2055116^2 + 19469520^2 .

It is a super-2 number, since 2×383285710803856² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 383285710803791 and 383285710803800.

It is not an unprimeable number, because it can be changed into a prime (383285710803857) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 99219700581 + ... + 99219704443.

Almost surely, 2^{383285710803856} is an apocalyptic number.

383285710803856 is the 19577684-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 383285710803856

383285710803856 is an abundant number, since it is smaller than the sum of its proper divisors (485597790510017).

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

383285710803856 is an frugal number, since it uses more digits than its factorization.

383285710803856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8110 (or 4053 counting only the distinct ones).

The product of its (nonzero) digits is 232243200, while the sum is 67.

The spelling of 383285710803856 in words is "three hundred eighty-three trillion, two hundred eighty-five billion, seven hundred ten million, eight hundred three thousand, eight hundred fifty-six".