78839620103 has 8 divisors (see below), whose sum is σ = 80521518000. Its totient is φ = 77175151488.

The previous prime is 78839620099. The next prime is 78839620127. The reversal of 78839620103 is 30102693887.

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

It is a cyclic number.

It is not a de Polignac number, because 78839620103 - 2² = 78839620099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78839620163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4348178 + ... + 4366271.

It is an arithmetic number, because the mean of its divisors is an integer number (10065189750).

Almost surely, 2^78839620103 is an apocalyptic number.

78839620103 is a deficient number, since it is larger than the sum of its proper divisors (1681897897).

78839620103 is a wasteful number, since it uses less digits than its factorization.

78839620103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8714641.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 78839620103 in words is "seventy-eight billion, eight hundred thirty-nine million, six hundred twenty thousand, one hundred three".