34355779 has 2 divisors, whose sum is σ = 34355780. Its totient is φ = 34355778.

The previous prime is 34355777. The next prime is 34355801. The reversal of 34355779 is 97755343.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34355779 - 2¹ = 34355777 is a prime.

Together with 34355777, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (34355773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17177889 + 17177890.

It is an arithmetic number, because the mean of its divisors is an integer number (17177890).

Almost surely, 2^34355779 is an apocalyptic number.

34355779 is a deficient number, since it is larger than the sum of its proper divisors (1).

34355779 is an equidigital number, since it uses as much as digits as its factorization.

34355779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 396900, while the sum is 43.

The square root of 34355779 is about 5861.3802981892. The cubic root of 34355779 is about 325.0872475819.

The spelling of 34355779 in words is "thirty-four million, three hundred fifty-five thousand, seven hundred seventy-nine".