2387881879 has 2 divisors, whose sum is σ = 2387881880. Its totient is φ = 2387881878.

The previous prime is 2387881877. The next prime is 2387881921. The reversal of 2387881879 is 9781887832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2387881879 - 2¹ = 2387881877 is a prime.

Together with 2387881877, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2387881877) 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, 1193940939 + 1193940940.

It is an arithmetic number, because the mean of its divisors is an integer number (1193940940).

Almost surely, 2^2387881879 is an apocalyptic number.

2387881879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2387881879 is an equidigital number, since it uses as much as digits as its factorization.

2387881879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10838016, while the sum is 61.

The square root of 2387881879 is about 48865.9582838606. The cubic root of 2387881879 is about 1336.6086886487.

The spelling of 2387881879 in words is "two billion, three hundred eighty-seven million, eight hundred eighty-one thousand, eight hundred seventy-nine".