85658424819 has 32 divisors (see below), whose sum is σ = 127460957184. Its totient is φ = 50723412480.

The previous prime is 85658424799. The next prime is 85658424833. The reversal of 85658424819 is 91842485658.

It is not a de Polignac number, because 85658424819 - 2¹² = 85658420723 is a prime.

It is a super-2 number, since 2×85658424819² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85658424419) 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 31 ways as a sum of consecutive naturals, for example, 873177 + ... + 966309.

It is an arithmetic number, because the mean of its divisors is an integer number (3983154912).

Almost surely, 2^85658424819 is an apocalyptic number.

85658424819 is a deficient number, since it is larger than the sum of its proper divisors (41802532365).

85658424819 is a wasteful number, since it uses less digits than its factorization.

85658424819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93787.

The product of its digits is 22118400, while the sum is 60.

The spelling of 85658424819 in words is "eighty-five billion, six hundred fifty-eight million, four hundred twenty-four thousand, eight hundred nineteen".