6778652701 has 8 divisors (see below), whose sum is σ = 6845533560. Its totient is φ = 6711892992.

The previous prime is 6778652687. The next prime is 6778652711. The reversal of 6778652701 is 1072568776.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 133957476 + 6644695225 = 11574^2 + 81515^2 .

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 6778652701 - 2⁵ = 6778652669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6778652711) 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, 84291 + ... + 143743.

It is an arithmetic number, because the mean of its divisors is an integer number (855691695).

Almost surely, 2^6778652701 is an apocalyptic number.

It is an amenable number.

6778652701 is a deficient number, since it is larger than the sum of its proper divisors (66880859).

6778652701 is a wasteful number, since it uses less digits than its factorization.

6778652701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60575.

The product of its (nonzero) digits is 987840, while the sum is 49.

The square root of 6778652701 is about 82332.5737542560. The cubic root of 6778652701 is about 1892.5518845768.

The spelling of 6778652701 in words is "six billion, seven hundred seventy-eight million, six hundred fifty-two thousand, seven hundred one".