2555167687 has 2 divisors, whose sum is σ = 2555167688. Its totient is φ = 2555167686.

The previous prime is 2555167651. The next prime is 2555167691. The reversal of 2555167687 is 7867615552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2555167687 - 2¹⁵ = 2555134919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2555167607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277583843 + 1277583844.

It is an arithmetic number, because the mean of its divisors is an integer number (1277583844).

Almost surely, 2^2555167687 is an apocalyptic number.

2555167687 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555167687 is an equidigital number, since it uses as much as digits as its factorization.

2555167687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528000, while the sum is 52.

The square root of 2555167687 is about 50548.6665204929. Note that the first 3 decimals coincide. The cubic root of 2555167687 is about 1367.1194715409.

The spelling of 2555167687 in words is "two billion, five hundred fifty-five million, one hundred sixty-seven thousand, six hundred eighty-seven".