885870638 has 8 divisors (see below), whose sum is σ = 1329200280. Its totient is φ = 442803880.

The previous prime is 885870637. The next prime is 885870647. The reversal of 885870638 is 836078588.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 885870638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (885870631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57068 + ... + 70911.

It is an arithmetic number, because the mean of its divisors is an integer number (166150035).

Almost surely, 2^885870638 is an apocalyptic number.

885870638 is a deficient number, since it is larger than the sum of its proper divisors (443329642).

885870638 is a wasteful number, since it uses less digits than its factorization.

885870638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131442.

The product of its (nonzero) digits is 2580480, while the sum is 53.

The square root of 885870638 is about 29763.5790522578. The cubic root of 885870638 is about 960.4102116981.

The spelling of 885870638 in words is "eight hundred eighty-five million, eight hundred seventy thousand, six hundred thirty-eight".