78829239293 has 24 divisors (see below), whose sum is σ = 93455189184. Its totient is φ = 65124898560.

The previous prime is 78829239287. The next prime is 78829239319. The reversal of 78829239293 is 39293292887.

It is not a de Polignac number, because 78829239293 - 2¹⁴ = 78829222909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78829239233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 936305 + ... + 1017017.

It is an arithmetic number, because the mean of its divisors is an integer number (3893966216).

Almost surely, 2^78829239293 is an apocalyptic number.

It is an amenable number.

78829239293 is a deficient number, since it is larger than the sum of its proper divisors (14625949891).

78829239293 is an equidigital number, since it uses as much as digits as its factorization.

78829239293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80885 (or 80844 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 62.

The spelling of 78829239293 in words is "seventy-eight billion, eight hundred twenty-nine million, two hundred thirty-nine thousand, two hundred ninety-three".