78629563158 has 16 divisors (see below), whose sum is σ = 157442208960. Its totient is φ = 26179340616.

The previous prime is 78629563153. The next prime is 78629563169. The reversal of 78629563158 is 85136592687.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78629563153) 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, 7622860 + ... + 7633167.

It is an arithmetic number, because the mean of its divisors is an integer number (9840138060).

Almost surely, 2^78629563158 is an apocalyptic number.

78629563158 is an abundant number, since it is smaller than the sum of its proper divisors (78812645802).

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

78629563158 is a wasteful number, since it uses less digits than its factorization.

78629563158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15256891.

The product of its digits is 21772800, while the sum is 60.

The spelling of 78629563158 in words is "seventy-eight billion, six hundred twenty-nine million, five hundred sixty-three thousand, one hundred fifty-eight".