78559069996 has 24 divisors (see below), whose sum is σ = 154029825936. Its totient is φ = 34743568320.

The previous prime is 78559069993. The next prime is 78559070003. The reversal of 78559069996 is 69996095587.

It is not an unprimeable number, because it can be changed into a prime (78559069993) by changing a digit.

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, 24125851 + ... + 24129106.

It is an arithmetic number, because the mean of its divisors is an integer number (6417909414).

Almost surely, 2^78559069996 is an apocalyptic number.

It is an amenable number.

78559069996 is a deficient number, since it is larger than the sum of its proper divisors (75470755940).

78559069996 is a wasteful number, since it uses less digits than its factorization.

78559069996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48255009 (or 48255007 counting only the distinct ones).

The product of its (nonzero) digits is 330674400, while the sum is 73.

The spelling of 78559069996 in words is "seventy-eight billion, five hundred fifty-nine million, sixty-nine thousand, nine hundred ninety-six".