78216302482252 has 24 divisors (see below), whose sum is σ = 149529712227840. Its totient is φ = 35503417094160.

The previous prime is 78216302482211. The next prime is 78216302482259. The reversal of 78216302482252 is 25228420361287.

It is a super-3 number, since 3×78216302482252³ (a number of 43 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 78216302482252.

It is not an unprimeable number, because it can be changed into a prime (78216302482259) 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 7 ways as a sum of consecutive naturals, for example, 1236159768 + ... + 1236223039.

It is an arithmetic number, because the mean of its divisors is an integer number (6230404676160).

Almost surely, 2^{78216302482252} is an apocalyptic number.

It is an amenable number.

78216302482252 is a deficient number, since it is larger than the sum of its proper divisors (71313409745588).

78216302482252 is a wasteful number, since it uses less digits than its factorization.

78216302482252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472383541 (or 2472383539 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 52.

The spelling of 78216302482252 in words is "seventy-eight trillion, two hundred sixteen billion, three hundred two million, four hundred eighty-two thousand, two hundred fifty-two".