34147879 has 2 divisors, whose sum is σ = 34147880. Its totient is φ = 34147878.

The previous prime is 34147871. The next prime is 34147889. The reversal of 34147879 is 97874143.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34147879 - 2³ = 34147871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34147871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17073939 + 17073940.

It is an arithmetic number, because the mean of its divisors is an integer number (17073940).

Almost surely, 2^34147879 is an apocalyptic number.

34147879 is a deficient number, since it is larger than the sum of its proper divisors (1).

34147879 is an equidigital number, since it uses as much as digits as its factorization.

34147879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 43.

The square root of 34147879 is about 5843.6186562780. The cubic root of 34147879 is about 324.4301778467.

The spelling of 34147879 in words is "thirty-four million, one hundred forty-seven thousand, eight hundred seventy-nine".