6776321401 has 2 divisors, whose sum is σ = 6776321402. Its totient is φ = 6776321400.

The previous prime is 6776321389. The next prime is 6776321411. The reversal of 6776321401 is 1041236776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4134361401 + 2641960000 = 64299^2 + 51400^2 .

It is a cyclic number.

It is not a de Polignac number, because 6776321401 - 2⁷ = 6776321273 is a prime.

It is not a weakly prime, because it can be changed into another prime (6776321411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3388160700 + 3388160701.

It is an arithmetic number, because the mean of its divisors is an integer number (3388160701).

Almost surely, 2^6776321401 is an apocalyptic number.

It is an amenable number.

6776321401 is a deficient number, since it is larger than the sum of its proper divisors (1).

6776321401 is an equidigital number, since it uses as much as digits as its factorization.

6776321401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 6776321401 is about 82318.4147138415. The cubic root of 6776321401 is about 1892.3348988767.

The spelling of 6776321401 in words is "six billion, seven hundred seventy-six million, three hundred twenty-one thousand, four hundred one".