2661077147 has 2 divisors, whose sum is σ = 2661077148. Its totient is φ = 2661077146.

The previous prime is 2661077141. The next prime is 2661077173. The reversal of 2661077147 is 7417701662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2661077147 - 2²⁶ = 2593968283 is a prime.

It is not a weakly prime, because it can be changed into another prime (2661077141) 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, 1330538573 + 1330538574.

It is an arithmetic number, because the mean of its divisors is an integer number (1330538574).

Almost surely, 2^2661077147 is an apocalyptic number.

2661077147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2661077147 is an equidigital number, since it uses as much as digits as its factorization.

2661077147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 2661077147 is about 51585.6292682371. The cubic root of 2661077147 is about 1385.7529818390.

The spelling of 2661077147 in words is "two billion, six hundred sixty-one million, seventy-seven thousand, one hundred forty-seven".