6778582493 has 8 divisors (see below), whose sum is σ = 6801740736. Its totient is φ = 6755464800.

The previous prime is 6778582487. The next prime is 6778582501. The reversal of 6778582493 is 3942858776.

It is a happy number.

6778582493 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6778582493 - 2⁶ = 6778582429 is a prime.

It is a super-2 number, since 2×6778582493² = 91898361228812190098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6778582423) 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, 345713 + ... + 364793.

It is an arithmetic number, because the mean of its divisors is an integer number (850217592).

Almost surely, 2^6778582493 is an apocalyptic number.

It is an amenable number.

6778582493 is a deficient number, since it is larger than the sum of its proper divisors (23158243).

6778582493 is a wasteful number, since it uses less digits than its factorization.

6778582493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20275.

The product of its digits is 20321280, while the sum is 59.

The square root of 6778582493 is about 82332.1473848460. The cubic root of 6778582493 is about 1892.5453506953.

The spelling of 6778582493 in words is "six billion, seven hundred seventy-eight million, five hundred eighty-two thousand, four hundred ninety-three".