11678336977 has 2 divisors, whose sum is σ = 11678336978. Its totient is φ = 11678336976.

The previous prime is 11678336953. The next prime is 11678337001. The reversal of 11678336977 is 77963387611.

It is a balanced prime because it is at equal distance from previous prime (11678336953) and next prime (11678337001).

It can be written as a sum of positive squares in only one way, i.e., 9090478336 + 2587858641 = 95344^2 + 50871^2 .

It is an emirp because it is prime and its reverse (77963387611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11678336977 - 2¹¹ = 11678334929 is a prime.

It is not a weakly prime, because it can be changed into another prime (11678336927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5839168488 + 5839168489.

It is an arithmetic number, because the mean of its divisors is an integer number (5839168489).

Almost surely, 2^11678336977 is an apocalyptic number.

It is an amenable number.

11678336977 is a deficient number, since it is larger than the sum of its proper divisors (1).

11678336977 is an equidigital number, since it uses as much as digits as its factorization.

11678336977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8001504, while the sum is 58.

The spelling of 11678336977 in words is "eleven billion, six hundred seventy-eight million, three hundred thirty-six thousand, nine hundred seventy-seven".