85388885 has 8 divisors (see below), whose sum is σ = 102583680. Its totient is φ = 68233104.

The previous prime is 85388881. The next prime is 85388893. The reversal of 85388885 is 58888358.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 85388885 - 2² = 85388881 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85388881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4697 + ... + 13886.

It is an arithmetic number, because the mean of its divisors is an integer number (12822960).

Almost surely, 2^85388885 is an apocalyptic number.

It is an amenable number.

85388885 is a deficient number, since it is larger than the sum of its proper divisors (17194795).

85388885 is a wasteful number, since it uses less digits than its factorization.

85388885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19507.

The product of its digits is 2457600, while the sum is 53.

The square root of 85388885 is about 9240.6106399956. The cubic root of 85388885 is about 440.3524809842.

The spelling of 85388885 in words is "eighty-five million, three hundred eighty-eight thousand, eight hundred eighty-five".