4155279187 has 2 divisors, whose sum is σ = 4155279188. Its totient is φ = 4155279186.

The previous prime is 4155279151. The next prime is 4155279221. The reversal of 4155279187 is 7819725514.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4155279187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4155279187.

It is not a weakly prime, because it can be changed into another prime (4155279127) 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, 2077639593 + 2077639594.

It is an arithmetic number, because the mean of its divisors is an integer number (2077639594).

Almost surely, 2^4155279187 is an apocalyptic number.

4155279187 is a deficient number, since it is larger than the sum of its proper divisors (1).

4155279187 is an equidigital number, since it uses as much as digits as its factorization.

4155279187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 705600, while the sum is 49.

The square root of 4155279187 is about 64461.4550487344. The cubic root of 4155279187 is about 1607.6817047515.

The spelling of 4155279187 in words is "four billion, one hundred fifty-five million, two hundred seventy-nine thousand, one hundred eighty-seven".