85850858556 has 48 divisors (see below), whose sum is σ = 223397690880. Its totient is φ = 28511345520.

The previous prime is 85850858531. The next prime is 85850858593. The reversal of 85850858556 is 65585805858.

It is a junction number, because it is equal to n+sod(n) for n = 85850858493 and 85850858502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1437366 + ... + 1495901.

It is an arithmetic number, because the mean of its divisors is an integer number (4654118560).

Almost surely, 2^85850858556 is an apocalyptic number.

It is an amenable number.

85850858556 is an abundant number, since it is smaller than the sum of its proper divisors (137546832324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85850858556 is a wasteful number, since it uses less digits than its factorization.

85850858556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2933551 (or 2933543 counting only the distinct ones).

The product of its (nonzero) digits is 76800000, while the sum is 63.

The spelling of 85850858556 in words is "eighty-five billion, eight hundred fifty million, eight hundred fifty-eight thousand, five hundred fifty-six".