2756115997 has 2 divisors, whose sum is σ = 2756115998. Its totient is φ = 2756115996.

The previous prime is 2756115979. The next prime is 2756116001. The reversal of 2756115997 is 7995116572.

Together with previous prime (2756115979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2753520676 + 2595321 = 52474^2 + 1611^2 .

It is a cyclic number.

It is not a de Polignac number, because 2756115997 - 2¹¹ = 2756113949 is a prime.

It is a super-3 number, since 3×2756115997³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2756115937) 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 as a sum of consecutive naturals, namely, 1378057998 + 1378057999.

It is an arithmetic number, because the mean of its divisors is an integer number (1378057999).

Almost surely, 2^2756115997 is an apocalyptic number.

It is an amenable number.

2756115997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2756115997 is an equidigital number, since it uses as much as digits as its factorization.

2756115997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1190700, while the sum is 52.

The square root of 2756115997 is about 52498.7237654402. The cubic root of 2756115997 is about 1402.0575183819.

The spelling of 2756115997 in words is "two billion, seven hundred fifty-six million, one hundred fifteen thousand, nine hundred ninety-seven".