78603908312 has 8 divisors (see below), whose sum is σ = 147382328100. Its totient is φ = 39301954152.

The previous prime is 78603908311. The next prime is 78603908351. The reversal of 78603908312 is 21380930687.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78603908311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4912744262 + ... + 4912744277.

Almost surely, 2^78603908312 is an apocalyptic number.

It is an amenable number.

78603908312 is a deficient number, since it is larger than the sum of its proper divisors (68778419788).

78603908312 is a wasteful number, since it uses less digits than its factorization.

78603908312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9825488545 (or 9825488541 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 78603908312 in words is "seventy-eight billion, six hundred three million, nine hundred eight thousand, three hundred twelve".