12276701777 has 2 divisors, whose sum is σ = 12276701778. Its totient is φ = 12276701776.

The previous prime is 12276701729. The next prime is 12276701783. The reversal of 12276701777 is 77710767221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6855177616 + 5421524161 = 82796^2 + 73631^2 .

It is a cyclic number.

It is not a de Polignac number, because 12276701777 - 2¹² = 12276697681 is a prime.

It is not a weakly prime, because it can be changed into another prime (12276701797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6138350888 + 6138350889.

It is an arithmetic number, because the mean of its divisors is an integer number (6138350889).

Almost surely, 2^12276701777 is an apocalyptic number.

It is an amenable number.

12276701777 is a deficient number, since it is larger than the sum of its proper divisors (1).

12276701777 is an equidigital number, since it uses as much as digits as its factorization.

12276701777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 403368, while the sum is 47.

The spelling of 12276701777 in words is "twelve billion, two hundred seventy-six million, seven hundred one thousand, seven hundred seventy-seven".