78595824957212 has 24 divisors (see below), whose sum is σ = 137588085978000. Its totient is φ = 39284945352576.

The previous prime is 78595824957191. The next prime is 78595824957241. The reversal of 78595824957212 is 21275942859587.

It is a self number, because there is not a number n which added to its sum of digits gives 78595824957212.

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, 152867123 + ... + 153380405.

It is an arithmetic number, because the mean of its divisors is an integer number (5732836915750).

Almost surely, 2^{78595824957212} is an apocalyptic number.

It is an amenable number.

78595824957212 is a deficient number, since it is larger than the sum of its proper divisors (58992261020788).

78595824957212 is a wasteful number, since it uses less digits than its factorization.

78595824957212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525845 (or 525843 counting only the distinct ones).

The product of its digits is 1016064000, while the sum is 74.

The spelling of 78595824957212 in words is "seventy-eight trillion, five hundred ninety-five billion, eight hundred twenty-four million, nine hundred fifty-seven thousand, two hundred twelve".