78258265704 has 96 divisors (see below), whose sum is σ = 219487507200. Its totient is φ = 25163723520.

The previous prime is 78258265643. The next prime is 78258265711. The reversal of 78258265704 is 40756285287.

78258265704 is a `hidden beast` number, since 7 + 8 + 2 + 582 + 6 + 57 + 0 + 4 = 666.

It is a super-2 number, since 2×78258265704² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 642607 + ... + 754625.

It is an arithmetic number, because the mean of its divisors is an integer number (2286328200).

Almost surely, 2^78258265704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78258265704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109743753600).

78258265704 is an abundant number, since it is smaller than the sum of its proper divisors (141229241496).

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

78258265704 is a wasteful number, since it uses less digits than its factorization.

78258265704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112375 (or 112368 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 54.

The spelling of 78258265704 in words is "seventy-eight billion, two hundred fifty-eight million, two hundred sixty-five thousand, seven hundred four".