208897052950 has 24 divisors (see below), whose sum is σ = 390561741288. Its totient is φ = 83125870080.

The previous prime is 208897052873. The next prime is 208897052951. The reversal of 208897052950 is 59250798802.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 208897052891 and 208897052900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208897052951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10814032 + ... + 10833331.

It is an arithmetic number, because the mean of its divisors is an integer number (16273405887).

Almost surely, 2^208897052950 is an apocalyptic number.

208897052950 is a deficient number, since it is larger than the sum of its proper divisors (181664688338).

208897052950 is a wasteful number, since it uses less digits than its factorization.

208897052950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21647568 (or 21647563 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 55.

The spelling of 208897052950 in words is "two hundred eight billion, eight hundred ninety-seven million, fifty-two thousand, nine hundred fifty".