885657942 has 128 divisors (see below), whose sum is σ = 2293401600. Its totient is φ = 250864128.

The previous prime is 885657923. The next prime is 885657943. The reversal of 885657942 is 249756588.

885657942 is a `hidden beast` number, since 8 + 8 + 565 + 79 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (885657943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 560109 + ... + 561687.

It is an arithmetic number, because the mean of its divisors is an integer number (17917200).

Almost surely, 2^885657942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 885657942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1146700800).

885657942 is an abundant number, since it is smaller than the sum of its proper divisors (1407743658).

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

885657942 is a wasteful number, since it uses less digits than its factorization.

885657942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667 (or 1661 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The square root of 885657942 is about 29760.0057459672. The cubic root of 885657942 is about 960.3333412716. Note that the first 4 decimals are identical.

The spelling of 885657942 in words is "eight hundred eighty-five million, six hundred fifty-seven thousand, nine hundred forty-two".