78975373 has 2 divisors, whose sum is σ = 78975374. Its totient is φ = 78975372.

The previous prime is 78975349. The next prime is 78975397. The reversal of 78975373 is 37357987.

It is a balanced prime because it is at equal distance from previous prime (78975349) and next prime (78975397).

It can be written as a sum of positive squares in only one way, i.e., 50651689 + 28323684 = 7117^2 + 5322^2 .

It is an emirp because it is prime and its reverse (37357987) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78975373 - 2⁵ = 78975341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78975173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39487686 + 39487687.

It is an arithmetic number, because the mean of its divisors is an integer number (39487687).

Almost surely, 2^78975373 is an apocalyptic number.

It is an amenable number.

78975373 is a deficient number, since it is larger than the sum of its proper divisors (1).

78975373 is an equidigital number, since it uses as much as digits as its factorization.

78975373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1111320, while the sum is 49.

The square root of 78975373 is about 8886.8089323446. The cubic root of 78975373 is about 429.0394513484.

The spelling of 78975373 in words is "seventy-eight million, nine hundred seventy-five thousand, three hundred seventy-three".