85854984579 has 48 divisors (see below), whose sum is σ = 153016124352. Its totient is φ = 45171903744.

The previous prime is 85854984577. The next prime is 85854984583. The reversal of 85854984579 is 97548945858.

85854984579 is a `hidden beast` number, since 8 + 5 + 8 + 5 + 49 + 8 + 4 + 579 = 666.

It is not a de Polignac number, because 85854984579 - 2¹ = 85854984577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85854984571) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 193117 + ... + 457169.

It is an arithmetic number, because the mean of its divisors is an integer number (3187835924).

Almost surely, 2^85854984579 is an apocalyptic number.

85854984579 is a deficient number, since it is larger than the sum of its proper divisors (67161139773).

85854984579 is a wasteful number, since it uses less digits than its factorization.

85854984579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264476 (or 264473 counting only the distinct ones).

The product of its digits is 580608000, while the sum is 72.

The spelling of 85854984579 in words is "eighty-five billion, eight hundred fifty-four million, nine hundred eighty-four thousand, five hundred seventy-nine".