885625138 has 4 divisors (see below), whose sum is σ = 1328437710. Its totient is φ = 442812568.

The previous prime is 885625127. The next prime is 885625151. The reversal of 885625138 is 831526588.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 881911809 + 3713329 = 29697^2 + 1927^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 221406283 + ... + 221406286.

Almost surely, 2^885625138 is an apocalyptic number.

885625138 is a deficient number, since it is larger than the sum of its proper divisors (442812572).

885625138 is a wasteful number, since it uses less digits than its factorization.

885625138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442812571.

The product of its digits is 460800, while the sum is 46.

The square root of 885625138 is about 29759.4545984969. The cubic root of 885625138 is about 960.3214844879.

The spelling of 885625138 in words is "eight hundred eighty-five million, six hundred twenty-five thousand, one hundred thirty-eight".