200378883769 has 3 divisors (see below), whose sum is σ = 200379331407. Its totient is φ = 200378436132.

The previous prime is 200378883707. The next prime is 200378883823. The reversal of 200378883769 is 967388873002.

The square root of 200378883769 is 447637.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 75495805225 + 124883078544 = 274765^2 + 353388^2 .

It is not a de Polignac number, because 200378883769 - 2¹⁹ = 200378359481 is a prime.

It is a super-2 number, since 2×200378883769² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200378883269) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 223819 + ... + 671455.

It is an arithmetic number, because the mean of its divisors is an integer number (66793110469).

Almost surely, 2^200378883769 is an apocalyptic number.

200378883769 is the 447637-th square number.

200378883769 is the 223819-th centered octagonal number.

It is an amenable number.

200378883769 is a deficient number, since it is larger than the sum of its proper divisors (447638).

200378883769 is an frugal number, since it uses more digits than its factorization.

200378883769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895274 (or 447637 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 61.

The spelling of 200378883769 in words is "two hundred billion, three hundred seventy-eight million, eight hundred eighty-three thousand, seven hundred sixty-nine".