78558286582 has 16 divisors (see below), whose sum is σ = 120352962240. Its totient is φ = 38440748608.

The previous prime is 78558286561. The next prime is 78558286591. The reversal of 78558286582 is 28568285587.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2491218 + ... + 2522554.

It is an arithmetic number, because the mean of its divisors is an integer number (7522060140).

Almost surely, 2^78558286582 is an apocalyptic number.

78558286582 is a deficient number, since it is larger than the sum of its proper divisors (41794675658).

78558286582 is a wasteful number, since it uses less digits than its factorization.

78558286582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58055.

The product of its digits is 86016000, while the sum is 64.

The spelling of 78558286582 in words is "seventy-eight billion, five hundred fifty-eight million, two hundred eighty-six thousand, five hundred eighty-two".