6774788251 has 8 divisors (see below), whose sum is σ = 8446489344. Its totient is φ = 5279055720.

The previous prime is 6774788249. The next prime is 6774788291. The reversal of 6774788251 is 1528874776.

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

It is a cyclic number.

It is not a de Polignac number, because 6774788251 - 2¹ = 6774788249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6774788192 and 6774788201.

It is not an unprimeable number, because it can be changed into a prime (6774788291) 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 7 ways as a sum of consecutive naturals, for example, 43992055 + ... + 43992208.

It is an arithmetic number, because the mean of its divisors is an integer number (1055811168).

Almost surely, 2^6774788251 is an apocalyptic number.

6774788251 is a deficient number, since it is larger than the sum of its proper divisors (1671701093).

6774788251 is a wasteful number, since it uses less digits than its factorization.

6774788251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87984281.

The product of its digits is 5268480, while the sum is 55.

The square root of 6774788251 is about 82309.1018721502. The cubic root of 6774788251 is about 1892.1921738440.

The spelling of 6774788251 in words is "six billion, seven hundred seventy-four million, seven hundred eighty-eight thousand, two hundred fifty-one".