34999879 has 2 divisors, whose sum is σ = 34999880. Its totient is φ = 34999878.

The previous prime is 34999871. The next prime is 34999901. The reversal of 34999879 is 97899943.

It is a weak prime.

It is an emirp because it is prime and its reverse (97899943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34999879 - 2³ = 34999871 is a prime.

It is a super-4 number, since 4×34999879⁴ (a number of 31 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34999871) 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, 17499939 + 17499940.

It is an arithmetic number, because the mean of its divisors is an integer number (17499940).

Almost surely, 2^34999879 is an apocalyptic number.

34999879 is a deficient number, since it is larger than the sum of its proper divisors (1).

34999879 is an equidigital number, since it uses as much as digits as its factorization.

34999879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4408992, while the sum is 58.

The square root of 34999879 is about 5916.0695567243. The cubic root of 34999879 is about 327.1062540670.

The spelling of 34999879 in words is "thirty-four million, nine hundred ninety-nine thousand, eight hundred seventy-nine".