78426806204863 has 2 divisors, whose sum is σ = 78426806204864. Its totient is φ = 78426806204862.

The previous prime is 78426806204827. The next prime is 78426806204867. The reversal of 78426806204863 is 36840260862487.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78426806204863 - 2³⁷ = 78289367251391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78426806204795 and 78426806204804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78426806204867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39213403102431 + 39213403102432.

It is an arithmetic number, because the mean of its divisors is an integer number (39213403102432).

Almost surely, 2^{78426806204863} is an apocalyptic number.

78426806204863 is a deficient number, since it is larger than the sum of its proper divisors (1).

78426806204863 is an equidigital number, since it uses as much as digits as its factorization.

78426806204863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 148635648, while the sum is 64.

The spelling of 78426806204863 in words is "seventy-eight trillion, four hundred twenty-six billion, eight hundred six million, two hundred four thousand, eight hundred sixty-three".