687220200 has 240 divisors, whose sum is σ = 2430648000. Its totient is φ = 179902080.

The previous prime is 687220187. The next prime is 687220211. The reversal of 687220200 is 2022786.

687220200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 955441 + ... + 956159.

It is an arithmetic number, because the mean of its divisors is an integer number (10127700).

Almost surely, 2^687220200 is an apocalyptic number.

687220200 is a gapful number since it is divisible by the number (60) 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 687220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1215324000).

687220200 is an abundant number, since it is smaller than the sum of its proper divisors (1743427800).

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

687220200 is a wasteful number, since it uses less digits than its factorization.

687220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806 (or 788 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 687220200 is about 26214.8850846232. The cubic root of 687220200 is about 882.4673352862.

Adding to 687220200 its reverse (2022786), we get a palindrome (689242986).

It can be divided in two parts, 6872 and 20200, that added together give a palindrome (27072).

The spelling of 687220200 in words is "six hundred eighty-seven million, two hundred twenty thousand, two hundred".