918464779 has 2 divisors, whose sum is σ = 918464780. Its totient is φ = 918464778.

The previous prime is 918464761. The next prime is 918464783. The reversal of 918464779 is 977464819.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 918464779 - 2⁵ = 918464747 is a prime.

It is not a weakly prime, because it can be changed into another prime (918464179) 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, 459232389 + 459232390.

It is an arithmetic number, because the mean of its divisors is an integer number (459232390).

Almost surely, 2^918464779 is an apocalyptic number.

918464779 is a deficient number, since it is larger than the sum of its proper divisors (1).

918464779 is an equidigital number, since it uses as much as digits as its factorization.

918464779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 55.

The square root of 918464779 is about 30306.1838409259. The cubic root of 918464779 is about 972.0475327029.

The spelling of 918464779 in words is "nine hundred eighteen million, four hundred sixty-four thousand, seven hundred seventy-nine".