2327768081 has 2 divisors, whose sum is σ = 2327768082. Its totient is φ = 2327768080.

The previous prime is 2327768059. The next prime is 2327768099. The reversal of 2327768081 is 1808677232.

It is a happy number.

2327768081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1546062400 + 781705681 = 39320^2 + 27959^2 .

It is a cyclic number.

It is not a de Polignac number, because 2327768081 - 2²⁶ = 2260659217 is a prime.

It is a super-2 number, since 2×2327768081² = 10837008477844845122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2327768041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1163884040 + 1163884041.

It is an arithmetic number, because the mean of its divisors is an integer number (1163884041).

Almost surely, 2^2327768081 is an apocalyptic number.

It is an amenable number.

2327768081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2327768081 is an equidigital number, since it uses as much as digits as its factorization.

2327768081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 2327768081 is about 48246.9489294401. The cubic root of 2327768081 is about 1325.2970651836.

The spelling of 2327768081 in words is "two billion, three hundred twenty-seven million, seven hundred sixty-eight thousand, eighty-one".