78850774208 has 14 divisors (see below), whose sum is σ = 156469505196. Its totient is φ = 39425387072.

The previous prime is 78850774201. The next prime is 78850774243. The reversal of 78850774208 is 80247705887.

It is not an unprimeable number, because it can be changed into a prime (78850774201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616021610 + ... + 616021737.

Almost surely, 2^78850774208 is an apocalyptic number.

It is an amenable number.

78850774208 is a deficient number, since it is larger than the sum of its proper divisors (77618730988).

78850774208 is a wasteful number, since it uses less digits than its factorization.

78850774208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232043359 (or 1232043349 counting only the distinct ones).

The product of its (nonzero) digits is 7024640, while the sum is 56.

The spelling of 78850774208 in words is "seventy-eight billion, eight hundred fifty million, seven hundred seventy-four thousand, two hundred eight".