214528303777 has 2 divisors, whose sum is σ = 214528303778. Its totient is φ = 214528303776.

The previous prime is 214528303763. The next prime is 214528303819. The reversal of 214528303777 is 777303825412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208183225441 + 6345078336 = 456271^2 + 79656^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214528303777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214528303777.

It is not a weakly prime, because it can be changed into another prime (214528303477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107264151888 + 107264151889.

It is an arithmetic number, because the mean of its divisors is an integer number (107264151889).

Almost surely, 2^214528303777 is an apocalyptic number.

It is an amenable number.

214528303777 is a deficient number, since it is larger than the sum of its proper divisors (1).

214528303777 is an equidigital number, since it uses as much as digits as its factorization.

214528303777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1975680, while the sum is 49.

The spelling of 214528303777 in words is "two hundred fourteen billion, five hundred twenty-eight million, three hundred three thousand, seven hundred seventy-seven".