6778573063 has 4 divisors (see below), whose sum is σ = 6789050640. Its totient is φ = 6768095488.

The previous prime is 6778573037. The next prime is 6778573069. The reversal of 6778573063 is 3603758776.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6778573063 - 2⁵ = 6778573031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6778573063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6778573069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5237818 + ... + 5239111.

It is an arithmetic number, because the mean of its divisors is an integer number (1697262660).

Almost surely, 2^6778573063 is an apocalyptic number.

6778573063 is a deficient number, since it is larger than the sum of its proper divisors (10477577).

6778573063 is a wasteful number, since it uses less digits than its factorization.

6778573063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10477576.

The product of its (nonzero) digits is 4445280, while the sum is 52.

The square root of 6778573063 is about 82332.0901167947. The cubic root of 6778573063 is about 1892.5444730924.

The spelling of 6778573063 in words is "six billion, seven hundred seventy-eight million, five hundred seventy-three thousand, sixty-three".