78846822863 has 4 divisors (see below), whose sum is σ = 78894236928. Its totient is φ = 78799408800.

The previous prime is 78846822829. The next prime is 78846822883. The reversal of 78846822863 is 36822864887.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78846822863 - 2¹² = 78846818767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78846822796 and 78846822805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78846822883) 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 in 3 ways as a sum of consecutive naturals, for example, 23704538 + ... + 23707863.

It is an arithmetic number, because the mean of its divisors is an integer number (19723559232).

Almost surely, 2^78846822863 is an apocalyptic number.

78846822863 is a deficient number, since it is larger than the sum of its proper divisors (47414065).

78846822863 is a wasteful number, since it uses less digits than its factorization.

78846822863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47414064.

The product of its digits is 49545216, while the sum is 62.

The spelling of 78846822863 in words is "seventy-eight billion, eight hundred forty-six million, eight hundred twenty-two thousand, eight hundred sixty-three".