6778425873 has 8 divisors (see below), whose sum is σ = 9248085088. Its totient is φ = 4413858624.

The previous prime is 6778425853. The next prime is 6778425881. The reversal of 6778425873 is 3785248776.

It is a happy number.

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

It is not a de Polignac number, because 6778425873 - 2¹⁴ = 6778409489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6778425833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26272840 + ... + 26273097.

It is an arithmetic number, because the mean of its divisors is an integer number (1156010636).

Almost surely, 2^6778425873 is an apocalyptic number.

It is an amenable number.

6778425873 is a deficient number, since it is larger than the sum of its proper divisors (2469659215).

6778425873 is a wasteful number, since it uses less digits than its factorization.

6778425873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52545983.

The product of its digits is 15805440, while the sum is 57.

The square root of 6778425873 is about 82331.1962320480. The cubic root of 6778425873 is about 1892.5307747503.

The spelling of 6778425873 in words is "six billion, seven hundred seventy-eight million, four hundred twenty-five thousand, eight hundred seventy-three".