78914411 has 2 divisors, whose sum is σ = 78914412. Its totient is φ = 78914410.

The previous prime is 78914401. The next prime is 78914413. The reversal of 78914411 is 11441987.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78914411 is a prime.

It is a Sophie Germain prime.

Together with 78914413, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (78914413) by changing a digit.

It is a nontrivial repunit in base 94.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39457205 + 39457206.

It is an arithmetic number, because the mean of its divisors is an integer number (39457206).

Almost surely, 2^78914411 is an apocalyptic number.

78914411 is a deficient number, since it is larger than the sum of its proper divisors (1).

78914411 is an equidigital number, since it uses as much as digits as its factorization.

78914411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 35.

The square root of 78914411 is about 8883.3783551079. The cubic root of 78914411 is about 428.9290294336.

The spelling of 78914411 in words is "seventy-eight million, nine hundred fourteen thousand, four hundred eleven".