612041779 has 2 divisors, whose sum is σ = 612041780. Its totient is φ = 612041778.

The previous prime is 612041743. The next prime is 612041791. The reversal of 612041779 is 977140216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612041779 - 2⁹ = 612041267 is a prime.

It is a super-3 number, since 3×612041779³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (612041879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306020889 + 306020890.

It is an arithmetic number, because the mean of its divisors is an integer number (306020890).

Almost surely, 2^612041779 is an apocalyptic number.

612041779 is a deficient number, since it is larger than the sum of its proper divisors (1).

612041779 is an equidigital number, since it uses as much as digits as its factorization.

612041779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 612041779 is about 24739.4781472852. The cubic root of 612041779 is about 849.0377942325.

The spelling of 612041779 in words is "six hundred twelve million, forty-one thousand, seven hundred seventy-nine".