78276522612 has 12 divisors (see below), whose sum is σ = 182645219456. Its totient is φ = 26092174200.

The previous prime is 78276522607. The next prime is 78276522671. The reversal of 78276522612 is 21622567287.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×78276522612³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3261521764 + ... + 3261521787.

Almost surely, 2^78276522612 is an apocalyptic number.

It is an amenable number.

78276522612 is an abundant number, since it is smaller than the sum of its proper divisors (104368696844).

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

78276522612 is a wasteful number, since it uses less digits than its factorization.

78276522612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6523043558 (or 6523043556 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 48.

The spelling of 78276522612 in words is "seventy-eight billion, two hundred seventy-six million, five hundred twenty-two thousand, six hundred twelve".