78110678123 has 8 divisors (see below), whose sum is σ = 78392313648. Its totient is φ = 77829548544.

The previous prime is 78110678089. The next prime is 78110678147. The reversal of 78110678123 is 32187601187.

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 78110678123 - 2²⁶ = 78043569259 is a prime.

It is a super-2 number, since 2×78110678123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78110678153) 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 7 ways as a sum of consecutive naturals, for example, 184211 + ... + 436067.

It is an arithmetic number, because the mean of its divisors is an integer number (9799039206).

Almost surely, 2^78110678123 is an apocalyptic number.

78110678123 is a deficient number, since it is larger than the sum of its proper divisors (281635525).

78110678123 is a wasteful number, since it uses less digits than its factorization.

78110678123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252973.

The product of its (nonzero) digits is 112896, while the sum is 44.

The spelling of 78110678123 in words is "seventy-eight billion, one hundred ten million, six hundred seventy-eight thousand, one hundred twenty-three".