78114299 has 2 divisors, whose sum is σ = 78114300. Its totient is φ = 78114298.

The previous prime is 78114287. The next prime is 78114341. The reversal of 78114299 is 99241187.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78114299 is a prime.

It is a super-2 number, since 2×78114299² = 12203687416522802, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (78114259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39057149 + 39057150.

It is an arithmetic number, because the mean of its divisors is an integer number (39057150).

Almost surely, 2^78114299 is an apocalyptic number.

78114299 is a deficient number, since it is larger than the sum of its proper divisors (1).

78114299 is an equidigital number, since it uses as much as digits as its factorization.

78114299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 41.

The square root of 78114299 is about 8838.2294041284. The cubic root of 78114299 is about 427.4744674285.

The spelling of 78114299 in words is "seventy-eight million, one hundred fourteen thousand, two hundred ninety-nine".