78996328706 has 8 divisors (see below), whose sum is σ = 119359416780. Its totient is φ = 39209856448.

The previous prime is 78996328703. The next prime is 78996328717. The reversal of 78996328706 is 60782369987.

It can be written as a sum of positive squares in 2 ways, for example, as 78984043681 + 12285025 = 281041^2 + 3505^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (78996328703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144153611 + ... + 144154158.

Almost surely, 2^78996328706 is an apocalyptic number.

78996328706 is a deficient number, since it is larger than the sum of its proper divisors (40363088074).

78996328706 is a wasteful number, since it uses less digits than its factorization.

78996328706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288307908.

The product of its (nonzero) digits is 54867456, while the sum is 65.

The spelling of 78996328706 in words is "seventy-eight billion, nine hundred ninety-six million, three hundred twenty-eight thousand, seven hundred six".