855458484854558 has 8 divisors (see below), whose sum is σ = 1381894475534328. Its totient is φ = 394826993009784.

The previous prime is 855458484854557. The next prime is 855458484854663.

855458484854558 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 855458484854558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855458484854557) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16451124708716 + ... + 16451124708767.

It is an arithmetic number, because the mean of its divisors is an integer number (172736809441791).

Almost surely, 2^{855458484854558} is an apocalyptic number.

855458484854558 is a deficient number, since it is larger than the sum of its proper divisors (526435990679770).

855458484854558 is a wasteful number, since it uses less digits than its factorization.

855458484854558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32902249417498.

The product of its digits is 131072000000, while the sum is 86.

The spelling of 855458484854558 in words is "eight hundred fifty-five trillion, four hundred fifty-eight billion, four hundred eighty-four million, eight hundred fifty-four thousand, five hundred fifty-eight".