78286198301 has 2 divisors, whose sum is σ = 78286198302. Its totient is φ = 78286198300.

The previous prime is 78286198297. The next prime is 78286198337. The reversal of 78286198301 is 10389168287.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40931359225 + 37354839076 = 202315^2 + 193274^2 .

It is a cyclic number.

It is not a de Polignac number, because 78286198301 - 2² = 78286198297 is a prime.

It is a super-2 number, since 2×78286198301² (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 (78286198391) 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, 39143099150 + 39143099151.

It is an arithmetic number, because the mean of its divisors is an integer number (39143099151).

Almost surely, 2^78286198301 is an apocalyptic number.

It is an amenable number.

78286198301 is a deficient number, since it is larger than the sum of its proper divisors (1).

78286198301 is an equidigital number, since it uses as much as digits as its factorization.

78286198301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 53.

The spelling of 78286198301 in words is "seventy-eight billion, two hundred eighty-six million, one hundred ninety-eight thousand, three hundred one".