6216627798 has 64 divisors (see below), whose sum is σ = 14071449600. Its totient is φ = 2033962560.

The previous prime is 6216627787. The next prime is 6216627817. The reversal of 6216627798 is 8977266126.

6216627798 is a `hidden beast` number, since 6 + 2 + 1 + 6 + 627 + 7 + 9 + 8 = 666.

It is a super-2 number, since 2×6216627798² = 77292922357732657608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 889843 + ... + 896801.

It is an arithmetic number, because the mean of its divisors is an integer number (219866400).

Almost surely, 2^6216627798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6216627798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7035724800).

6216627798 is an abundant number, since it is smaller than the sum of its proper divisors (7854821802).

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

6216627798 is a wasteful number, since it uses less digits than its factorization.

6216627798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7274 (or 7268 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 6216627798 is about 78845.5946645087. The cubic root of 6216627798 is about 1838.7313835284.

The spelling of 6216627798 in words is "six billion, two hundred sixteen million, six hundred twenty-seven thousand, seven hundred ninety-eight".