200898479089 has 27 divisors (see below), whose sum is σ = 256919051403. Its totient is φ = 156517376400.

The previous prime is 200898479057. The next prime is 200898479107. The reversal of 200898479089 is 980974898002.

The square root of 200898479089 is 448217.

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., 174751589089 + 26146890000 = 418033^2 + 161700^2 .

It is not a de Polignac number, because 200898479089 - 2⁵ = 200898479057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200898479089.

It is not an unprimeable number, because it can be changed into a prime (200898471089) 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, 34509799 + ... + 34515619.

Almost surely, 2^200898479089 is an apocalyptic number.

200898479089 is the 448217-th square number.

200898479089 is the 224109-th centered octagonal number.

It is an amenable number.

200898479089 is a deficient number, since it is larger than the sum of its proper divisors (56020572314).

200898479089 is an frugal number, since it uses more digits than its factorization.

200898479089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11678 (or 5839 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 64.

Multiplying 200898479089 by its sum of digits (64), we get a square (12857502661696 = 3585736²).

The spelling of 200898479089 in words is "two hundred billion, eight hundred ninety-eight million, four hundred seventy-nine thousand, eighty-nine".