34028779 has 2 divisors, whose sum is σ = 34028780. Its totient is φ = 34028778.

The previous prime is 34028773. The next prime is 34028821. The reversal of 34028779 is 97782043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34028779 - 2²³ = 25640171 is a prime.

It is not a weakly prime, because it can be changed into another prime (34028773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17014389 + 17014390.

It is an arithmetic number, because the mean of its divisors is an integer number (17014390).

Almost surely, 2^34028779 is an apocalyptic number.

34028779 is a deficient number, since it is larger than the sum of its proper divisors (1).

34028779 is an equidigital number, since it uses as much as digits as its factorization.

34028779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 34028779 is about 5833.4191517497. The cubic root of 34028779 is about 324.0525590444.

The spelling of 34028779 in words is "thirty-four million, twenty-eight thousand, seven hundred seventy-nine".