208585850944 has 21 divisors (see below), whose sum is σ = 413919798397. Its totient is φ = 104291098624.

The previous prime is 208585850927. The next prime is 208585850951. The reversal of 208585850944 is 449058585802.

The square root of 208585850944 is 456712.

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

208585850944 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 88038010944 + 120547840000 = 296712^2 + 347200^2 .

It is a super-2 number, since 2×208585850944² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3625152 + ... + 3682240.

Almost surely, 2^208585850944 is an apocalyptic number.

208585850944 is the 456712-nd square number.

It is an amenable number.

208585850944 is a deficient number, since it is larger than the sum of its proper divisors (205333947453).

208585850944 is an frugal number, since it uses more digits than its factorization.

208585850944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114190 (or 57091 counting only the distinct ones).

The product of its (nonzero) digits is 18432000, while the sum is 58.

The spelling of 208585850944 in words is "two hundred eight billion, five hundred eighty-five million, eight hundred fifty thousand, nine hundred forty-four".