6379916387 has 32 divisors (see below), whose sum is σ = 7616716800. Its totient is φ = 5287151232.

The previous prime is 6379916359. The next prime is 6379916447. The reversal of 6379916387 is 7836199736.

It is a cyclic number.

It is not a de Polignac number, because 6379916387 - 2¹⁴ = 6379900003 is a prime.

It is a super-2 number, since 2×6379916387² = 81406666210222267538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6379916887) 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 31 ways as a sum of consecutive naturals, for example, 614078 + ... + 624380.

It is an arithmetic number, because the mean of its divisors is an integer number (238022400).

Almost surely, 2^6379916387 is an apocalyptic number.

6379916387 is a deficient number, since it is larger than the sum of its proper divisors (1236800413).

6379916387 is a wasteful number, since it uses less digits than its factorization.

6379916387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10467.

The product of its digits is 10287648, while the sum is 59.

The square root of 6379916387 is about 79874.3787894466. The cubic root of 6379916387 is about 1854.6914177329.

The spelling of 6379916387 in words is "six billion, three hundred seventy-nine million, nine hundred sixteen thousand, three hundred eighty-seven".