78824349814 has 32 divisors (see below), whose sum is σ = 136201824000. Its totient is φ = 33513436320.

The previous prime is 78824349809. The next prime is 78824349823. The reversal of 78824349814 is 41894342887.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9347352 + ... + 9355780.

It is an arithmetic number, because the mean of its divisors is an integer number (4256307000).

Almost surely, 2^78824349814 is an apocalyptic number.

78824349814 is a deficient number, since it is larger than the sum of its proper divisors (57377474186).

78824349814 is a wasteful number, since it uses less digits than its factorization.

78824349814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13668.

The product of its digits is 12386304, while the sum is 58.

The spelling of 78824349814 in words is "seventy-eight billion, eight hundred twenty-four million, three hundred forty-nine thousand, eight hundred fourteen".