78433440218698 has 16 divisors (see below), whose sum is σ = 122773778809920. Its totient is φ = 37509080452096.

The previous prime is 78433440218689. The next prime is 78433440218701. The reversal of 78433440218698 is 89681204433487.

78433440218698 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57612343 + ... + 58958026.

It is an arithmetic number, because the mean of its divisors is an integer number (7673361175620).

Almost surely, 2^{78433440218698} is an apocalyptic number.

78433440218698 is a deficient number, since it is larger than the sum of its proper divisors (44340338591222).

78433440218698 is a wasteful number, since it uses less digits than its factorization.

78433440218698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116585021.

The product of its (nonzero) digits is 222953472, while the sum is 67.

The spelling of 78433440218698 in words is "seventy-eight trillion, four hundred thirty-three billion, four hundred forty million, two hundred eighteen thousand, six hundred ninety-eight".