2755678061 has 2 divisors, whose sum is σ = 2755678062. Its totient is φ = 2755678060.

The previous prime is 2755678039. The next prime is 2755678063. The reversal of 2755678061 is 1608765572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2725362025 + 30316036 = 52205^2 + 5506^2 .

It is a cyclic number.

It is not a de Polignac number, because 2755678061 - 2⁶ = 2755677997 is a prime.

Together with 2755678063, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2755677997 and 2755678015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2755678063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1377839030 + 1377839031.

It is an arithmetic number, because the mean of its divisors is an integer number (1377839031).

Almost surely, 2^2755678061 is an apocalyptic number.

It is an amenable number.

2755678061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2755678061 is an equidigital number, since it uses as much as digits as its factorization.

2755678061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 705600, while the sum is 47.

The square root of 2755678061 is about 52494.5526793019. The cubic root of 2755678061 is about 1401.9832539719.

The spelling of 2755678061 in words is "two billion, seven hundred fifty-five million, six hundred seventy-eight thousand, sixty-one".