78010147 has 2 divisors, whose sum is σ = 78010148. Its totient is φ = 78010146.

The previous prime is 78010133. The next prime is 78010159. The reversal of 78010147 is 74101087.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78010147 - 2¹⁵ = 77977379 is a prime.

It is not a weakly prime, because it can be changed into another prime (78010747) by changing a digit.

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, 39005073 + 39005074.

It is an arithmetic number, because the mean of its divisors is an integer number (39005074).

Almost surely, 2^78010147 is an apocalyptic number.

78010147 is a deficient number, since it is larger than the sum of its proper divisors (1).

78010147 is an equidigital number, since it uses as much as digits as its factorization.

78010147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 78010147 is about 8832.3353083995. The cubic root of 78010147 is about 427.2843950022.

The spelling of 78010147 in words is "seventy-eight million, ten thousand, one hundred forty-seven".