78866443333322 has 8 divisors (see below), whose sum is σ = 118300108009572. Its totient is φ = 39433073996800.

The previous prime is 78866443333273. The next prime is 78866443333331. The reversal of 78866443333322 is 22333334466887.

It can be written as a sum of positive squares in 2 ways, for example, as 71565525848881 + 7300917484441 = 8459641^2 + 2702021^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73166129 + ... + 74236212.

Almost surely, 2^{78866443333322} is an apocalyptic number.

78866443333322 is a deficient number, since it is larger than the sum of its proper divisors (39433664676250).

78866443333322 is a wasteful number, since it uses less digits than its factorization.

78866443333322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147669864.

The product of its digits is 250822656, while the sum is 62.

The spelling of 78866443333322 in words is "seventy-eight trillion, eight hundred sixty-six billion, four hundred forty-three million, three hundred thirty-three thousand, three hundred twenty-two".