34878911 has 2 divisors, whose sum is σ = 34878912. Its totient is φ = 34878910.

The previous prime is 34878887. The next prime is 34878923. The reversal of 34878911 is 11987843.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 34878911 - 2¹⁸ = 34616767 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34878931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17439455 + 17439456.

It is an arithmetic number, because the mean of its divisors is an integer number (17439456).

Almost surely, 2^34878911 is an apocalyptic number.

34878911 is a deficient number, since it is larger than the sum of its proper divisors (1).

34878911 is an equidigital number, since it uses as much as digits as its factorization.

34878911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 41.

The square root of 34878911 is about 5905.8370278903. The cubic root of 34878911 is about 326.7289664371.

The spelling of 34878911 in words is "thirty-four million, eight hundred seventy-eight thousand, nine hundred eleven".