78375912301 has 2 divisors, whose sum is σ = 78375912302. Its totient is φ = 78375912300.

The previous prime is 78375912289. The next prime is 78375912427. The reversal of 78375912301 is 10321957387.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68356102500 + 10019809801 = 261450^2 + 100099^2 .

It is a cyclic number.

It is not a de Polignac number, because 78375912301 - 2¹¹ = 78375910253 is a prime.

It is a super-2 number, since 2×78375912301² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78375912001) 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, 39187956150 + 39187956151.

It is an arithmetic number, because the mean of its divisors is an integer number (39187956151).

Almost surely, 2^78375912301 is an apocalyptic number.

It is an amenable number.

78375912301 is a deficient number, since it is larger than the sum of its proper divisors (1).

78375912301 is an equidigital number, since it uses as much as digits as its factorization.

78375912301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 78375912301 in words is "seventy-eight billion, three hundred seventy-five million, nine hundred twelve thousand, three hundred one".