208868069 has 8 divisors (see below), whose sum is σ = 222481728. Its totient is φ = 195401920.

The previous prime is 208868059. The next prime is 208868113. The reversal of 208868069 is 960868802.

208868069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 208868069 - 2⁴ = 208868053 is a prime.

It is a super-2 number, since 2×208868069² = 87251740495577522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208868059) 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, 33947 + ... + 39624.

It is an arithmetic number, because the mean of its divisors is an integer number (27810216).

Almost surely, 2^208868069 is an apocalyptic number.

It is an amenable number.

208868069 is a deficient number, since it is larger than the sum of its proper divisors (13613659).

208868069 is a wasteful number, since it uses less digits than its factorization.

208868069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73755.

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 208868069 is about 14452.2686454411. The cubic root of 208868069 is about 593.3223168079.

The spelling of 208868069 in words is "two hundred eight million, eight hundred sixty-eight thousand, sixty-nine".