78629734182 has 32 divisors (see below), whose sum is σ = 159052481280. Its totient is φ = 25912770080.

The previous prime is 78629734163. The next prime is 78629734193. The reversal of 78629734182 is 28143792687.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25794 + ... + 397397.

It is an arithmetic number, because the mean of its divisors is an integer number (4970390040).

Almost surely, 2^78629734182 is an apocalyptic number.

78629734182 is an abundant number, since it is smaller than the sum of its proper divisors (80422747098).

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

78629734182 is a wasteful number, since it uses less digits than its factorization.

78629734182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423548.

The product of its digits is 8128512, while the sum is 57.

The spelling of 78629734182 in words is "seventy-eight billion, six hundred twenty-nine million, seven hundred thirty-four thousand, one hundred eighty-two".