277420394119663 has 2 divisors, whose sum is σ = 277420394119664. Its totient is φ = 277420394119662.

The previous prime is 277420394119643. The next prime is 277420394119709. The reversal of 277420394119663 is 366911493024772.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-277420394119663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 277420394119595 and 277420394119604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (277420394119613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138710197059831 + 138710197059832.

It is an arithmetic number, because the mean of its divisors is an integer number (138710197059832).

Almost surely, 2^{277420394119663} is an apocalyptic number.

277420394119663 is a deficient number, since it is larger than the sum of its proper divisors (1).

277420394119663 is an equidigital number, since it uses as much as digits as its factorization.

277420394119663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82301184, while the sum is 64.

The spelling of 277420394119663 in words is "two hundred seventy-seven trillion, four hundred twenty billion, three hundred ninety-four million, one hundred nineteen thousand, six hundred sixty-three".