85458485458 has 32 divisors (see below), whose sum is σ = 131873309568. Its totient is φ = 41519347200.

The previous prime is 85458485419. The next prime is 85458485467.

It is a happy number.

85458485458 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 85458485458.

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 15 ways as a sum of consecutive naturals, for example, 6750891 + ... + 6763537.

It is an arithmetic number, because the mean of its divisors is an integer number (4121040924).

Almost surely, 2^85458485458 is an apocalyptic number.

85458485458 is a deficient number, since it is larger than the sum of its proper divisors (46414824110).

85458485458 is a wasteful number, since it uses less digits than its factorization.

85458485458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13378.

The product of its digits is 163840000, while the sum is 64.

The spelling of 85458485458 in words is "eighty-five billion, four hundred fifty-eight million, four hundred eighty-five thousand, four hundred fifty-eight".