985085677929 has 16 divisors (see below), whose sum is σ = 1322491876160. Its totient is φ = 652211455680.

The previous prime is 985085677787. The next prime is 985085677973. The reversal of 985085677929 is 929776580589.

It is not a de Polignac number, because 985085677929 - 2¹⁶ = 985085612393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (985085676929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 826162 + ... + 1628715.

It is an arithmetic number, because the mean of its divisors is an integer number (82655742260).

Almost surely, 2^985085677929 is an apocalyptic number.

It is an amenable number.

985085677929 is a deficient number, since it is larger than the sum of its proper divisors (337406198231).

985085677929 is a wasteful number, since it uses less digits than its factorization.

985085677929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2455800.

The product of its (nonzero) digits is 685843200, while the sum is 75.

The spelling of 985085677929 in words is "nine hundred eighty-five billion, eighty-five million, six hundred seventy-seven thousand, nine hundred twenty-nine".