2027278859 has 2 divisors, whose sum is σ = 2027278860. Its totient is φ = 2027278858.

The previous prime is 2027278837. The next prime is 2027278861. The reversal of 2027278859 is 9588727202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2027278859 - 2²⁴ = 2010501643 is a prime.

Together with 2027278861, 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 (2027278829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1013639429 + 1013639430.

It is an arithmetic number, because the mean of its divisors is an integer number (1013639430).

Almost surely, 2^2027278859 is an apocalyptic number.

2027278859 is a deficient number, since it is larger than the sum of its proper divisors (1).

2027278859 is an equidigital number, since it uses as much as digits as its factorization.

2027278859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1128960, while the sum is 50.

The square root of 2027278859 is about 45025.3135358323. The cubic root of 2027278859 is about 1265.6234037710.

The spelling of 2027278859 in words is "two billion, twenty-seven million, two hundred seventy-eight thousand, eight hundred fifty-nine".