2445447887 has 2 divisors, whose sum is σ = 2445447888. Its totient is φ = 2445447886.

The previous prime is 2445447853. The next prime is 2445447889. The reversal of 2445447887 is 7887445442.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2445447887 - 2²⁰ = 2444399311 is a prime.

Together with 2445447889, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2445447889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1222723943 + 1222723944.

It is an arithmetic number, because the mean of its divisors is an integer number (1222723944).

Almost surely, 2^2445447887 is an apocalyptic number.

2445447887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2445447887 is an equidigital number, since it uses as much as digits as its factorization.

2445447887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8028160, while the sum is 53.

The square root of 2445447887 is about 49451.4700185950. The cubic root of 2445447887 is about 1347.2643067587.

The spelling of 2445447887 in words is "two billion, four hundred forty-five million, four hundred forty-seven thousand, eight hundred eighty-seven".