2127116354477 has 2 divisors, whose sum is σ = 2127116354478. Its totient is φ = 2127116354476.

The previous prime is 2127116354359. The next prime is 2127116354509. The reversal of 2127116354477 is 7744536117212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1951550326441 + 175566028036 = 1396979^2 + 419006^2 .

It is a cyclic number.

It is not a de Polignac number, because 2127116354477 - 2³⁶ = 2058396877741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2127116354777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063558177238 + 1063558177239.

It is an arithmetic number, because the mean of its divisors is an integer number (1063558177239).

Almost surely, 2^{2127116354477} is an apocalyptic number.

It is an amenable number.

2127116354477 is a deficient number, since it is larger than the sum of its proper divisors (1).

2127116354477 is an equidigital number, since it uses as much as digits as its factorization.

2127116354477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1975680, while the sum is 50.

The spelling of 2127116354477 in words is "two trillion, one hundred twenty-seven billion, one hundred sixteen million, three hundred fifty-four thousand, four hundred seventy-seven".