78532862512005 has 48 divisors (see below), whose sum is σ = 157233709773504. Its totient is φ = 35836742960640.

The previous prime is 78532862511979. The next prime is 78532862512007. The reversal of 78532862512005 is 50021526823587.

It is a happy number.

78532862512005 is a `hidden beast` number, since 7 + 8 + 5 + 3 + 2 + 8 + 625 + 1 + 2 + 0 + 0 + 5 = 666.

It is not a de Polignac number, because 78532862512005 - 2¹¹ = 78532862509957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78532862512007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4666234159 + ... + 4666250988.

It is an arithmetic number, because the mean of its divisors is an integer number (3275702286948).

Almost surely, 2^{78532862512005} is an apocalyptic number.

It is an amenable number.

78532862512005 is an abundant number, since it is smaller than the sum of its proper divisors (78700847261499).

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

78532862512005 is a wasteful number, since it uses less digits than its factorization.

78532862512005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9332485186 (or 9332485183 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 54.

The spelling of 78532862512005 in words is "seventy-eight trillion, five hundred thirty-two billion, eight hundred sixty-two million, five hundred twelve thousand, five".