2678808001 has 2 divisors, whose sum is σ = 2678808002. Its totient is φ = 2678808000.

The previous prime is 2678807993. The next prime is 2678808007. The reversal of 2678808001 is 1008088762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2673407025 + 5400976 = 51705^2 + 2324^2 .

It is a cyclic number.

It is not a de Polignac number, because 2678808001 - 2³ = 2678807993 is a prime.

It is not a weakly prime, because it can be changed into another prime (2678808007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1339404000 + 1339404001.

It is an arithmetic number, because the mean of its divisors is an integer number (1339404001).

Almost surely, 2^2678808001 is an apocalyptic number.

It is an amenable number.

2678808001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2678808001 is an equidigital number, since it uses as much as digits as its factorization.

2678808001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 2678808001 is about 51757.2024070081. The cubic root of 2678808001 is about 1388.8239454621.

The spelling of 2678808001 in words is "two billion, six hundred seventy-eight million, eight hundred eight thousand, one".