208676028600 has 576 divisors, whose sum is σ = 782274931200. Its totient is φ = 51105600000.

The previous prime is 208676028563. The next prime is 208676028661. The reversal of 208676028600 is 6820676802.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 229062145 + ... + 229063055.

It is an arithmetic number, because the mean of its divisors is an integer number (1358116200).

Almost surely, 2^208676028600 is an apocalyptic number.

208676028600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208676028600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391137465600).

208676028600 is an abundant number, since it is smaller than the sum of its proper divisors (573598902600).

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

208676028600 is a wasteful number, since it uses less digits than its factorization.

208676028600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213 (or 1185 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 208676028600 in words is "two hundred eight billion, six hundred seventy-six million, twenty-eight thousand, six hundred".