78738343163 has 8 divisors (see below), whose sum is σ = 79027007808. Its totient is φ = 78449752584.

The previous prime is 78738343121. The next prime is 78738343169. The reversal of 78738343163 is 36134383787.

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 78738343163 - 2¹⁶ = 78738277627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78738343169) 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, 3005720 + ... + 3031802.

It is an arithmetic number, because the mean of its divisors is an integer number (9878375976).

Almost surely, 2^78738343163 is an apocalyptic number.

78738343163 is a deficient number, since it is larger than the sum of its proper divisors (288664645).

78738343163 is a wasteful number, since it uses less digits than its factorization.

78738343163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37033.

The product of its digits is 6096384, while the sum is 53.

The spelling of 78738343163 in words is "seventy-eight billion, seven hundred thirty-eight million, three hundred forty-three thousand, one hundred sixty-three".