27894014899 has 2 divisors, whose sum is σ = 27894014900. Its totient is φ = 27894014898.

The previous prime is 27894014891. The next prime is 27894014959. The reversal of 27894014899 is 99841049872.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27894014899 - 2³ = 27894014891 is a prime.

It is not a weakly prime, because it can be changed into another prime (27894014891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13947007449 + 13947007450.

It is an arithmetic number, because the mean of its divisors is an integer number (13947007450).

Almost surely, 2^27894014899 is an apocalyptic number.

27894014899 is a deficient number, since it is larger than the sum of its proper divisors (1).

27894014899 is an equidigital number, since it uses as much as digits as its factorization.

27894014899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10450944, while the sum is 61.

The spelling of 27894014899 in words is "twenty-seven billion, eight hundred ninety-four million, fourteen thousand, eight hundred ninety-nine".