78881463636243 has 8 divisors (see below), whose sum is σ = 105175673372928. Its totient is φ = 52587448161864.

The previous prime is 78881463636211. The next prime is 78881463636253. The reversal of 78881463636243 is 34263636418887.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78881463636243 - 2⁵ = 78881463636211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78881463636253) 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 in 7 ways as a sum of consecutive naturals, for example, 47615455 + ... + 49244232.

It is an arithmetic number, because the mean of its divisors is an integer number (13146959171616).

Almost surely, 2^{78881463636243} is an apocalyptic number.

78881463636243 is a deficient number, since it is larger than the sum of its proper divisors (26294209736685).

78881463636243 is a wasteful number, since it uses less digits than its factorization.

78881463636243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97131153.

The product of its digits is 668860416, while the sum is 69.

The spelling of 78881463636243 in words is "seventy-eight trillion, eight hundred eighty-one billion, four hundred sixty-three million, six hundred thirty-six thousand, two hundred forty-three".