78523260282 has 24 divisors (see below), whose sum is σ = 172922810580. Its totient is φ = 25745330880.

The previous prime is 78523260217. The next prime is 78523260289. The reversal of 78523260282 is 28206232587.

It is a happy number.

78523260282 is a `hidden beast` number, since 7 + 8 + 5 + 2 + 32 + 602 + 8 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 63236657961 + 15286602321 = 251469^2 + 123639^2 .

It is not an unprimeable number, because it can be changed into a prime (78523260289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35756307 + ... + 35758502.

Almost surely, 2^78523260282 is an apocalyptic number.

78523260282 is an abundant number, since it is smaller than the sum of its proper divisors (94399550298).

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

78523260282 is a wasteful number, since it uses less digits than its factorization.

78523260282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71514878 (or 71514875 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 78523260282 in words is "seventy-eight billion, five hundred twenty-three million, two hundred sixty thousand, two hundred eighty-two".