78506883126852 has 12 divisors (see below), whose sum is σ = 183182727296016. Its totient is φ = 26168961042280.

The previous prime is 78506883126851. The next prime is 78506883126853. The reversal of 78506883126852 is 25862138860587.

It is an interprime number because it is at equal distance from previous prime (78506883126851) and next prime (78506883126853).

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

It is not an unprimeable number, because it can be changed into a prime (78506883126851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3271120130274 + ... + 3271120130297.

It is an arithmetic number, because the mean of its divisors is an integer number (15265227274668).

Almost surely, 2^{78506883126852} is an apocalyptic number.

It is an amenable number.

78506883126852 is an abundant number, since it is smaller than the sum of its proper divisors (104675844169164).

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

78506883126852 is a wasteful number, since it uses less digits than its factorization.

78506883126852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6542240260578 (or 6542240260576 counting only the distinct ones).

The product of its (nonzero) digits is 309657600, while the sum is 69.

The spelling of 78506883126852 in words is "seventy-eight trillion, five hundred six billion, eight hundred eighty-three million, one hundred twenty-six thousand, eight hundred fifty-two".