78607093 has 2 divisors, whose sum is σ = 78607094. Its totient is φ = 78607092.

The previous prime is 78607091. The next prime is 78607097. The reversal of 78607093 is 39070687.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71520849 + 7086244 = 8457^2 + 2662^2 .

It is a cyclic number.

It is not a de Polignac number, because 78607093 - 2¹ = 78607091 is a prime.

Together with 78607091, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78607091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39303546 + 39303547.

It is an arithmetic number, because the mean of its divisors is an integer number (39303547).

Almost surely, 2^78607093 is an apocalyptic number.

It is an amenable number.

78607093 is a deficient number, since it is larger than the sum of its proper divisors (1).

78607093 is an equidigital number, since it uses as much as digits as its factorization.

78607093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 78607093 is about 8866.0641211306. The cubic root of 78607093 is about 428.3715093968.

The spelling of 78607093 in words is "seventy-eight million, six hundred seven thousand, ninety-three".