78032109252247 has 2 divisors, whose sum is σ = 78032109252248. Its totient is φ = 78032109252246.

The previous prime is 78032109252143. The next prime is 78032109252277. The reversal of 78032109252247 is 74225290123087.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (74225290123087) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78032109252247 - 2¹⁹ = 78032108727959 is a prime.

It is a super-2 number, since 2×78032109252247² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78032109252194 and 78032109252203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78032109252277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39016054626123 + 39016054626124.

It is an arithmetic number, because the mean of its divisors is an integer number (39016054626124).

Almost surely, 2^{78032109252247} is an apocalyptic number.

78032109252247 is a deficient number, since it is larger than the sum of its proper divisors (1).

78032109252247 is an equidigital number, since it uses as much as digits as its factorization.

78032109252247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 78032109252247 in words is "seventy-eight trillion, thirty-two billion, one hundred nine million, two hundred fifty-two thousand, two hundred forty-seven".