85830424879 has 4 divisors (see below), whose sum is σ = 86056890760. Its totient is φ = 85603959000.

The previous prime is 85830424861. The next prime is 85830424931. The reversal of 85830424879 is 97842403858.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85830424879 - 2⁹ = 85830424367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85830464879) 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, 113232372 + ... + 113233129.

It is an arithmetic number, because the mean of its divisors is an integer number (21514222690).

Almost surely, 2^85830424879 is an apocalyptic number.

85830424879 is a deficient number, since it is larger than the sum of its proper divisors (226465881).

85830424879 is a wasteful number, since it uses less digits than its factorization.

85830424879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226465880.

The product of its (nonzero) digits is 15482880, while the sum is 58.

The spelling of 85830424879 in words is "eighty-five billion, eight hundred thirty million, four hundred twenty-four thousand, eight hundred seventy-nine".