200881837 has 8 divisors (see below), whose sum is σ = 221611320. Its totient is φ = 180906240.

The previous prime is 200881823. The next prime is 200881871. The reversal of 200881837 is 738188002.

It can be written as a sum of positive squares in 4 ways, for example, as 5692996 + 195188841 = 2386^2 + 13971^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200881837 - 2²⁷ = 66664109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200881796 and 200881805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200881897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187912 + ... + 188977.

It is an arithmetic number, because the mean of its divisors is an integer number (27701415).

Almost surely, 2^200881837 is an apocalyptic number.

It is an amenable number.

200881837 is a deficient number, since it is larger than the sum of its proper divisors (20729483).

200881837 is a wasteful number, since it uses less digits than its factorization.

200881837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376943.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 200881837 is about 14173.2789784157. The cubic root of 200881837 is about 585.6617898363.

It can be divided in two parts, 2008 and 81837, that added together give a triangular number (83845 = T₄₀₉).

The spelling of 200881837 in words is "two hundred million, eight hundred eighty-one thousand, eight hundred thirty-seven".