78868533161 has 8 divisors (see below), whose sum is σ = 88813832448. Its totient is φ = 69385806000.

The previous prime is 78868533067. The next prime is 78868533167. The reversal of 78868533161 is 16133586887.

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 78868533161 - 2¹⁴ = 78868516777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78868533097 and 78868533106.

It is not an unprimeable number, because it can be changed into a prime (78868533167) 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, 115642670 + ... + 115643351.

It is an arithmetic number, because the mean of its divisors is an integer number (11101729056).

Almost surely, 2^78868533161 is an apocalyptic number.

It is an amenable number.

78868533161 is a deficient number, since it is larger than the sum of its proper divisors (9945299287).

78868533161 is a wasteful number, since it uses less digits than its factorization.

78868533161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231286063.

The product of its digits is 5806080, while the sum is 56.

The spelling of 78868533161 in words is "seventy-eight billion, eight hundred sixty-eight million, five hundred thirty-three thousand, one hundred sixty-one".