11858779 has 2 divisors, whose sum is σ = 11858780. Its totient is φ = 11858778.

The previous prime is 11858747. The next prime is 11858783. The reversal of 11858779 is 97785811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11858779 - 2⁵ = 11858747 is a prime.

It is not a weakly prime, because it can be changed into another prime (11858719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5929389 + 5929390.

It is an arithmetic number, because the mean of its divisors is an integer number (5929390).

Almost surely, 2^11858779 is an apocalyptic number.

11858779 is a deficient number, since it is larger than the sum of its proper divisors (1).

11858779 is an equidigital number, since it uses as much as digits as its factorization.

11858779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 46.

The square root of 11858779 is about 3443.6577936839. The cubic root of 11858779 is about 228.0412039516.

The spelling of 11858779 in words is "eleven million, eight hundred fifty-eight thousand, seven hundred seventy-nine".