27962858387 has 2 divisors, whose sum is σ = 27962858388. Its totient is φ = 27962858386.

The previous prime is 27962858381. The next prime is 27962858389. The reversal of 27962858387 is 78385826972.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27962858387 - 2¹⁸ = 27962596243 is a prime.

Together with 27962858389, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27962858381) 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, 13981429193 + 13981429194.

It is an arithmetic number, because the mean of its divisors is an integer number (13981429194).

Almost surely, 2^27962858387 is an apocalyptic number.

27962858387 is a deficient number, since it is larger than the sum of its proper divisors (1).

27962858387 is an equidigital number, since it uses as much as digits as its factorization.

27962858387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81285120, while the sum is 65.

The spelling of 27962858387 in words is "twenty-seven billion, nine hundred sixty-two million, eight hundred fifty-eight thousand, three hundred eighty-seven".