78858571443 has 16 divisors (see below), whose sum is σ = 109903239936. Its totient is φ = 50200932320.

The previous prime is 78858571439. The next prime is 78858571459. The reversal of 78858571443 is 34417585887.

It is a cyclic number.

It is not a de Polignac number, because 78858571443 - 2² = 78858571439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78858581443) 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 15 ways as a sum of consecutive naturals, for example, 932988 + ... + 1013993.

It is an arithmetic number, because the mean of its divisors is an integer number (6868952496).

Almost surely, 2^78858571443 is an apocalyptic number.

78858571443 is a deficient number, since it is larger than the sum of its proper divisors (31044668493).

78858571443 is a wasteful number, since it uses less digits than its factorization.

78858571443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947594.

The product of its digits is 30105600, while the sum is 60.

The spelling of 78858571443 in words is "seventy-eight billion, eight hundred fifty-eight million, five hundred seventy-one thousand, four hundred forty-three".