8078380873812 has 36 divisors (see below), whose sum is σ = 20441779181460. Its totient is φ = 2689968016512.

The previous prime is 8078380873789. The next prime is 8078380873847. The reversal of 8078380873812 is 2183780838708.

8078380873812 is a `hidden beast` number, since 80 + 78 + 38 + 0 + 87 + 381 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3413973117636 + 4664407756176 = 1847694^2 + 2159724^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×8078380873812³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 8078380873812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117698887 + ... + 117767502.

It is an arithmetic number, because the mean of its divisors is an integer number (567827199485).

Almost surely, 2^{8078380873812} is an apocalyptic number.

It is an amenable number.

8078380873812 is an abundant number, since it is smaller than the sum of its proper divisors (12363398307648).

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

8078380873812 is a wasteful number, since it uses less digits than its factorization.

8078380873812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235467352 (or 235467347 counting only the distinct ones).

The product of its (nonzero) digits is 28901376, while the sum is 63.

The spelling of 8078380873812 in words is "eight trillion, seventy-eight billion, three hundred eighty million, eight hundred seventy-three thousand, eight hundred twelve".