2485319887 has 2 divisors, whose sum is σ = 2485319888. Its totient is φ = 2485319886.

The previous prime is 2485319849. The next prime is 2485319911. The reversal of 2485319887 is 7889135842.

2485319887 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2485319887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2485319987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1242659943 + 1242659944.

It is an arithmetic number, because the mean of its divisors is an integer number (1242659944).

Almost surely, 2^2485319887 is an apocalyptic number.

2485319887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2485319887 is an equidigital number, since it uses as much as digits as its factorization.

2485319887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3870720, while the sum is 55.

The square root of 2485319887 is about 49852.9827292209. The cubic root of 2485319887 is about 1354.5470610228.

The spelling of 2485319887 in words is "two billion, four hundred eighty-five million, three hundred nineteen thousand, eight hundred eighty-seven".