85575457558 has 8 divisors (see below), whose sum is σ = 129634109280. Its totient is φ = 42364087800.

The previous prime is 85575457553. The next prime is 85575457609.

It is a happy number.

85575457558 is nontrivially palindromic in base 10.

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

It is a super-2 number, since 2×85575457558² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85575457558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85575457553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211820238 + ... + 211820641.

It is an arithmetic number, because the mean of its divisors is an integer number (16204263660).

Almost surely, 2^85575457558 is an apocalyptic number.

85575457558 is a deficient number, since it is larger than the sum of its proper divisors (44058651722).

85575457558 is a wasteful number, since it uses less digits than its factorization.

85575457558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423640982.

The product of its digits is 196000000, while the sum is 64.

The spelling of 85575457558 in words is "eighty-five billion, five hundred seventy-five million, four hundred fifty-seven thousand, five hundred fifty-eight".