6777445385019 has 8 divisors (see below), whose sum is σ = 9160382803792. Its totient is φ = 4456402444800.

The previous prime is 6777445384987. The next prime is 6777445385027. The reversal of 6777445385019 is 9105835447776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6777445385019 - 2⁵ = 6777445384987 is a prime.

It is a super-2 number, since 2×6777445385019² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6777445385069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15473619382 + ... + 15473619819.

It is an arithmetic number, because the mean of its divisors is an integer number (1145047850474).

Almost surely, 2^{6777445385019} is an apocalyptic number.

6777445385019 is a deficient number, since it is larger than the sum of its proper divisors (2382937418773).

6777445385019 is a wasteful number, since it uses less digits than its factorization.

6777445385019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30947239277.

The product of its (nonzero) digits is 177811200, while the sum is 66.

The spelling of 6777445385019 in words is "six trillion, seven hundred seventy-seven billion, four hundred forty-five million, three hundred eighty-five thousand, nineteen".