6228400687 has 8 divisors (see below), whose sum is σ = 6618251232. Its totient is φ = 5841158400.

The previous prime is 6228400679. The next prime is 6228400691. The reversal of 6228400687 is 7860048226.

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

It is a cyclic number.

It is not a de Polignac number, because 6228400687 - 2³ = 6228400679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6228400657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647139 + ... + 656692.

It is an arithmetic number, because the mean of its divisors is an integer number (827281404).

Almost surely, 2^6228400687 is an apocalyptic number.

6228400687 is a deficient number, since it is larger than the sum of its proper divisors (389850545).

6228400687 is a wasteful number, since it uses less digits than its factorization.

6228400687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304129.

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 6228400687 is about 78920.2172260062. The cubic root of 6228400687 is about 1839.8913655735.

The spelling of 6228400687 in words is "six billion, two hundred twenty-eight million, four hundred thousand, six hundred eighty-seven".