27577490853811 has 2 divisors, whose sum is σ = 27577490853812. Its totient is φ = 27577490853810.

The previous prime is 27577490853733. The next prime is 27577490853823. The reversal of 27577490853811 is 11835809477572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27577490853811 - 2⁷ = 27577490853683 is a prime.

It is not a weakly prime, because it can be changed into another prime (27577490851811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13788745426905 + 13788745426906.

It is an arithmetic number, because the mean of its divisors is an integer number (13788745426906).

Almost surely, 2^{27577490853811} is an apocalyptic number.

27577490853811 is a deficient number, since it is larger than the sum of its proper divisors (1).

27577490853811 is an equidigital number, since it uses as much as digits as its factorization.

27577490853811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 118540800, while the sum is 67.

The spelling of 27577490853811 in words is "twenty-seven trillion, five hundred seventy-seven billion, four hundred ninety million, eight hundred fifty-three thousand, eight hundred eleven".