14158797678 has 64 divisors (see below), whose sum is σ = 32225014080. Its totient is φ = 4606377984.

The previous prime is 14158797671. The next prime is 14158797683. The reversal of 14158797678 is 87679785141.

14158797678 is a `hidden beast` number, since 1 + 41 + 587 + 9 + 7 + 6 + 7 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14158797671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 539550 + ... + 565182.

It is an arithmetic number, because the mean of its divisors is an integer number (503515845).

Almost surely, 2^14158797678 is an apocalyptic number.

14158797678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 14158797678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16112507040).

14158797678 is an abundant number, since it is smaller than the sum of its proper divisors (18066216402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14158797678 is a wasteful number, since it uses less digits than its factorization.

14158797678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25890 (or 25884 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 63.

The spelling of 14158797678 in words is "fourteen billion, one hundred fifty-eight million, seven hundred ninety-seven thousand, six hundred seventy-eight".