985861484168590 has 32 divisors (see below), whose sum is σ = 1774945451702016. Its totient is φ = 394256868445440.

The previous prime is 985861484168579. The next prime is 985861484168611. The reversal of 985861484168590 is 95861484168589.

It is a super-3 number, since 3×985861484168590³ (a number of 46 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2397824874 + ... + 2398235986.

It is an arithmetic number, because the mean of its divisors is an integer number (55467045365688).

Almost surely, 2^{985861484168590} is an apocalyptic number.

985861484168590 is a deficient number, since it is larger than the sum of its proper divisors (789083967533426).

985861484168590 is a wasteful number, since it uses less digits than its factorization.

985861484168590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463884.

The product of its (nonzero) digits is 4777574400, while the sum is 82.

The spelling of 985861484168590 in words is "nine hundred eighty-five trillion, eight hundred sixty-one billion, four hundred eighty-four million, one hundred sixty-eight thousand, five hundred ninety".