208806882828 has 24 divisors (see below), whose sum is σ = 488543634432. Its totient is φ = 69412640784.

The previous prime is 208806882811. The next prime is 208806882853. The reversal of 208806882828 is 828288608802.

It is a super-2 number, since 2×208806882828² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23702100 + ... + 23710907.

It is an arithmetic number, because the mean of its divisors is an integer number (20355984768).

Almost surely, 2^208806882828 is an apocalyptic number.

It is an amenable number.

208806882828 is an abundant number, since it is smaller than the sum of its proper divisors (279736751604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

208806882828 is a wasteful number, since it uses less digits than its factorization.

208806882828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47413381 (or 47413379 counting only the distinct ones).

The product of its (nonzero) digits is 12582912, while the sum is 60.

The spelling of 208806882828 in words is "two hundred eight billion, eight hundred six million, eight hundred eighty-two thousand, eight hundred twenty-eight".