208625520238 has 8 divisors (see below), whose sum is σ = 321396071832. Its totient is φ = 101493496296.

The previous prime is 208625520227. The next prime is 208625520281. The reversal of 208625520238 is 832025526802.

It is a happy number.

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

It is a super-2 number, since 2×208625520238² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 208625520194 and 208625520203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1409631820 + ... + 1409631967.

It is an arithmetic number, because the mean of its divisors is an integer number (40174508979).

Almost surely, 2^208625520238 is an apocalyptic number.

208625520238 is a deficient number, since it is larger than the sum of its proper divisors (112770551594).

208625520238 is a wasteful number, since it uses less digits than its factorization.

208625520238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819263826.

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 208625520238 in words is "two hundred eight billion, six hundred twenty-five million, five hundred twenty thousand, two hundred thirty-eight".