6227406387 has 16 divisors (see below), whose sum is σ = 9523394560. Its totient is φ = 4017681000.

The previous prime is 6227406373. The next prime is 6227406403. The reversal of 6227406387 is 7836047226.

6227406387 is a `hidden beast` number, since 6 + 2 + 2 + 7 + 4 + 0 + 638 + 7 = 666.

It is not a de Polignac number, because 6227406387 - 2⁷ = 6227406259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6227406307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3719239 + ... + 3720912.

It is an arithmetic number, because the mean of its divisors is an integer number (595212160).

Almost surely, 2^6227406387 is an apocalyptic number.

6227406387 is a deficient number, since it is larger than the sum of its proper divisors (3295988173).

6227406387 is a wasteful number, since it uses less digits than its factorization.

6227406387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7440191 (or 7440185 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The square root of 6227406387 is about 78913.9175747852. The cubic root of 6227406387 is about 1839.7934537963.

The spelling of 6227406387 in words is "six billion, two hundred twenty-seven million, four hundred six thousand, three hundred eighty-seven".