208231030828 has 12 divisors (see below), whose sum is σ = 364596008112. Its totient is φ = 104060742800.

The previous prime is 208231030801. The next prime is 208231030831. The reversal of 208231030828 is 828030132802.

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, 13684600 + ... + 13699807.

It is an arithmetic number, because the mean of its divisors is an integer number (30383000676).

Almost surely, 2^208231030828 is an apocalyptic number.

It is an amenable number.

208231030828 is a deficient number, since it is larger than the sum of its proper divisors (156364977284).

208231030828 is a wasteful number, since it uses less digits than its factorization.

208231030828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27386312 (or 27386310 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The spelling of 208231030828 in words is "two hundred eight billion, two hundred thirty-one million, thirty thousand, eight hundred twenty-eight".