85358881 has 8 divisors (see below), whose sum is σ = 86989760. Its totient is φ = 83743632.

The previous prime is 85358879. The next prime is 85358891. The reversal of 85358881 is 18885358.

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 85358881 - 2¹ = 85358879 is a prime.

It is a super-2 number, since 2×85358881² = 14572277131144322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85358821) 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, 7426 + ... + 15028.

It is an arithmetic number, because the mean of its divisors is an integer number (10873720).

Almost surely, 2^85358881 is an apocalyptic number.

It is an amenable number.

85358881 is a deficient number, since it is larger than the sum of its proper divisors (1630879).

85358881 is a wasteful number, since it uses less digits than its factorization.

85358881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7815.

The product of its digits is 307200, while the sum is 46.

The square root of 85358881 is about 9238.9870115722. The cubic root of 85358881 is about 440.3008978316.

The spelling of 85358881 in words is "eighty-five million, three hundred fifty-eight thousand, eight hundred eighty-one".