885705564381 has 16 divisors (see below), whose sum is σ = 1319720931648. Its totient is φ = 523698780800.

The previous prime is 885705564361. The next prime is 885705564391. The reversal of 885705564381 is 183465507588.

It is a cyclic number.

It is not a de Polignac number, because 885705564381 - 2⁵ = 885705564349 is a prime.

It is a super-3 number, since 3×885705564381³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (885705564311) by changing a digit.

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, 327310386 + ... + 327313091.

It is an arithmetic number, because the mean of its divisors is an integer number (82482558228).

Almost surely, 2^885705564381 is an apocalyptic number.

It is an amenable number.

885705564381 is a deficient number, since it is larger than the sum of its proper divisors (434015367267).

885705564381 is a wasteful number, since it uses less digits than its factorization.

885705564381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654623532.

The product of its (nonzero) digits is 32256000, while the sum is 60.

The spelling of 885705564381 in words is "eight hundred eighty-five billion, seven hundred five million, five hundred sixty-four thousand, three hundred eighty-one".