34543879 has 2 divisors, whose sum is σ = 34543880. Its totient is φ = 34543878.

The previous prime is 34543877. The next prime is 34543891. The reversal of 34543879 is 97834543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34543879 - 2¹ = 34543877 is a prime.

Together with 34543877, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34543871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17271939 + 17271940.

It is an arithmetic number, because the mean of its divisors is an integer number (17271940).

Almost surely, 2^34543879 is an apocalyptic number.

34543879 is a deficient number, since it is larger than the sum of its proper divisors (1).

34543879 is an equidigital number, since it uses as much as digits as its factorization.

34543879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 43.

The square root of 34543879 is about 5877.4041038540. The cubic root of 34543879 is about 325.6794589773.

The spelling of 34543879 in words is "thirty-four million, five hundred forty-three thousand, eight hundred seventy-nine".