78824253018 has 16 divisors (see below), whose sum is σ = 180169721280. Its totient is φ = 22521215136.

The previous prime is 78824252989. The next prime is 78824253059. The reversal of 78824253018 is 81035242887.

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 7 ways as a sum of consecutive naturals, for example, 938383923 + ... + 938384006.

It is an arithmetic number, because the mean of its divisors is an integer number (11260607580).

Almost surely, 2^78824253018 is an apocalyptic number.

78824253018 is an abundant number, since it is smaller than the sum of its proper divisors (101345468262).

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

78824253018 is a wasteful number, since it uses less digits than its factorization.

78824253018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876767941.

The product of its (nonzero) digits is 860160, while the sum is 48.

The spelling of 78824253018 in words is "seventy-eight billion, eight hundred twenty-four million, two hundred fifty-three thousand, eighteen".