78302013434028 has 72 divisors (see below), whose sum is σ = 202759824963696. Its totient is φ = 25463796595200.

The previous prime is 78302013433933. The next prime is 78302013434039. The reversal of 78302013434028 is 82043431020387.

78302013434028 is a `hidden beast` number, since 7 + 8 + 3 + 0 + 201 + 3 + 434 + 0 + 2 + 8 = 666.

78302013434028 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×78302013434028² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 173530875 + ... + 173981517.

Almost surely, 2^{78302013434028} is an apocalyptic number.

It is an amenable number.

78302013434028 is an abundant number, since it is smaller than the sum of its proper divisors (124457811529668).

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

78302013434028 is a wasteful number, since it uses less digits than its factorization.

78302013434028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568415 (or 568410 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 78302013434028 in words is "seventy-eight trillion, three hundred two billion, thirteen million, four hundred thirty-four thousand, twenty-eight".