78463563041212 has 24 divisors (see below), whose sum is σ = 138561693466896. Its totient is φ = 38874684780288.

The previous prime is 78463563041173. The next prime is 78463563041239. The reversal of 78463563041212 is 21214036536487.

It is a self number, because there is not a number n which added to its sum of digits gives 78463563041212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20351703 + ... + 23898094.

It is an arithmetic number, because the mean of its divisors is an integer number (5773403894454).

Almost surely, 2^{78463563041212} is an apocalyptic number.

It is an amenable number.

78463563041212 is a deficient number, since it is larger than the sum of its proper divisors (60098130425684).

78463563041212 is a wasteful number, since it uses less digits than its factorization.

78463563041212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44253837 (or 44253835 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 52.

Adding to 78463563041212 its reverse (21214036536487), we get a palindrome (99677599577699).

The spelling of 78463563041212 in words is "seventy-eight trillion, four hundred sixty-three billion, five hundred sixty-three million, forty-one thousand, two hundred twelve".