6247856220 has 48 divisors (see below), whose sum is σ = 17558596608. Its totient is φ = 1659942720.

The previous prime is 6247856191. The next prime is 6247856221. The reversal of 6247856220 is 226587426.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6247856221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175864 + ... + 208383.

It is an arithmetic number, because the mean of its divisors is an integer number (365804096).

Almost surely, 2^6247856220 is an apocalyptic number.

6247856220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6247856220 is an abundant number, since it is smaller than the sum of its proper divisors (11310740388).

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

6247856220 is a wasteful number, since it uses less digits than its factorization.

6247856220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384530 (or 384528 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 6247856220 is about 79043.3818861516. The cubic root of 6247856220 is about 1841.8051184880.

The spelling of 6247856220 in words is "six billion, two hundred forty-seven million, eight hundred fifty-six thousand, two hundred twenty".