11787679 has 2 divisors, whose sum is σ = 11787680. Its totient is φ = 11787678.

The previous prime is 11787667. The next prime is 11787689. The reversal of 11787679 is 97678711.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11787679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11787649) 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, 5893839 + 5893840.

It is an arithmetic number, because the mean of its divisors is an integer number (5893840).

Almost surely, 2^11787679 is an apocalyptic number.

11787679 is a deficient number, since it is larger than the sum of its proper divisors (1).

11787679 is an equidigital number, since it uses as much as digits as its factorization.

11787679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 148176, while the sum is 46.

The square root of 11787679 is about 3433.3189481899. The cubic root of 11787679 is about 227.5845453187.

The spelling of 11787679 in words is "eleven million, seven hundred eighty-seven thousand, six hundred seventy-nine".