27890415299 has 2 divisors, whose sum is σ = 27890415300. Its totient is φ = 27890415298.

The previous prime is 27890415257. The next prime is 27890415331. The reversal of 27890415299 is 99251409872.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27890415299 is a prime.

It is not a weakly prime, because it can be changed into another prime (27890415209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13945207649 + 13945207650.

It is an arithmetic number, because the mean of its divisors is an integer number (13945207650).

Almost surely, 2^27890415299 is an apocalyptic number.

27890415299 is a deficient number, since it is larger than the sum of its proper divisors (1).

27890415299 is an equidigital number, since it uses as much as digits as its factorization.

27890415299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 56.

The spelling of 27890415299 in words is "twenty-seven billion, eight hundred ninety million, four hundred fifteen thousand, two hundred ninety-nine".