78975301 has 2 divisors, whose sum is σ = 78975302. Its totient is φ = 78975300.

The previous prime is 78975289. The next prime is 78975317. The reversal of 78975301 is 10357987.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75168900 + 3806401 = 8670^2 + 1951^2 .

It is an emirp because it is prime and its reverse (10357987) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78975301 - 2⁷ = 78975173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78975341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39487650 + 39487651.

It is an arithmetic number, because the mean of its divisors is an integer number (39487651).

Almost surely, 2^78975301 is an apocalyptic number.

It is an amenable number.

78975301 is a deficient number, since it is larger than the sum of its proper divisors (1).

78975301 is an equidigital number, since it uses as much as digits as its factorization.

78975301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 78975301 is about 8886.8048813958. The cubic root of 78975301 is about 429.0393209666.

The spelling of 78975301 in words is "seventy-eight million, nine hundred seventy-five thousand, three hundred one".