85638801 has 8 divisors (see below), whose sum is σ = 114268000. Its totient is φ = 57051072.

The previous prime is 85638779. The next prime is 85638811. The reversal of 85638801 is 10883658.

It is a happy number.

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

It is not a de Polignac number, because 85638801 - 2¹¹ = 85636753 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85638801.

It is not an unprimeable number, because it can be changed into a prime (85638811) 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, 5176 + ... + 14073.

It is an arithmetic number, because the mean of its divisors is an integer number (14283500).

Almost surely, 2^85638801 is an apocalyptic number.

It is an amenable number.

85638801 is a deficient number, since it is larger than the sum of its proper divisors (28629199).

85638801 is a wasteful number, since it uses less digits than its factorization.

85638801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20735.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 85638801 is about 9254.1234593018. The cubic root of 85638801 is about 440.7816700958.

The spelling of 85638801 in words is "eighty-five million, six hundred thirty-eight thousand, eight hundred one".