78462881110812 has 192 divisors, whose sum is σ = 206848025879040. Its totient is φ = 22930399027200.

The previous prime is 78462881110811. The next prime is 78462881110829. The reversal of 78462881110812 is 21801118826487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78462881110811) 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 in 63 ways as a sum of consecutive naturals, for example, 18606324928 + ... + 18606329144.

It is an arithmetic number, because the mean of its divisors is an integer number (1077333468120).

Almost surely, 2^{78462881110812} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78462881110812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103424012939520).

78462881110812 is an abundant number, since it is smaller than the sum of its proper divisors (128385144768228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78462881110812 is a wasteful number, since it uses less digits than its factorization.

78462881110812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8692 (or 8690 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 57.

The spelling of 78462881110812 in words is "seventy-eight trillion, four hundred sixty-two billion, eight hundred eighty-one million, one hundred ten thousand, eight hundred twelve".