78352108100852 has 24 divisors (see below), whose sum is σ = 141681257464320. Its totient is φ = 37874283922080.

The previous prime is 78352108100807. The next prime is 78352108100869. The reversal of 78352108100852 is 25800180125387.

It is a happy number.

It is a super-2 number, since 2×78352108100852² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78352108100852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316762952 + ... + 317010207.

It is an arithmetic number, because the mean of its divisors is an integer number (5903385727680).

Almost surely, 2^{78352108100852} is an apocalyptic number.

It is an amenable number.

78352108100852 is a deficient number, since it is larger than the sum of its proper divisors (63329149363468).

78352108100852 is a wasteful number, since it uses less digits than its factorization.

78352108100852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633774191 (or 633774189 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 50.

The spelling of 78352108100852 in words is "seventy-eight trillion, three hundred fifty-two billion, one hundred eight million, one hundred thousand, eight hundred fifty-two".