6378476747 has 2 divisors, whose sum is σ = 6378476748. Its totient is φ = 6378476746.

The previous prime is 6378476707. The next prime is 6378476749. The reversal of 6378476747 is 7476748736.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6378476747 - 2¹² = 6378472651 is a prime.

It is a super-2 number, since 2×6378476747² = 81369931224039404018, which contains 22 as substring.

Together with 6378476749, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6378476749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3189238373 + 3189238374.

It is an arithmetic number, because the mean of its divisors is an integer number (3189238374).

Almost surely, 2^6378476747 is an apocalyptic number.

6378476747 is a deficient number, since it is larger than the sum of its proper divisors (1).

6378476747 is an equidigital number, since it uses as much as digits as its factorization.

6378476747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33191424, while the sum is 59.

The square root of 6378476747 is about 79865.3663799272. The cubic root of 6378476747 is about 1854.5519023823.

The spelling of 6378476747 in words is "six billion, three hundred seventy-eight million, four hundred seventy-six thousand, seven hundred forty-seven".