855974479558 has 64 divisors (see below), whose sum is σ = 1492699622400. Its totient is φ = 363824524800.

The previous prime is 855974479553. The next prime is 855974479663.

855974479558 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×855974479558³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855974479553) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 36259843 + ... + 36283441.

It is an arithmetic number, because the mean of its divisors is an integer number (23323431600).

Almost surely, 2^855974479558 is an apocalyptic number.

855974479558 is a deficient number, since it is larger than the sum of its proper divisors (636725142842).

855974479558 is a wasteful number, since it uses less digits than its factorization.

855974479558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24253.

The product of its digits is 2540160000, while the sum is 76.

The spelling of 855974479558 in words is "eight hundred fifty-five billion, nine hundred seventy-four million, four hundred seventy-nine thousand, five hundred fifty-eight".