85350991 has 8 divisors (see below), whose sum is σ = 93186000. Its totient is φ = 77528640.

The previous prime is 85350989. The next prime is 85350997. The reversal of 85350991 is 19905358.

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 85350991 - 2¹ = 85350989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85350997) 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, 16035 + ... + 20683.

It is an arithmetic number, because the mean of its divisors is an integer number (11648250).

Almost surely, 2^85350991 is an apocalyptic number.

85350991 is a deficient number, since it is larger than the sum of its proper divisors (7835009).

85350991 is a wasteful number, since it uses less digits than its factorization.

85350991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6329.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 85350991 is about 9238.5600068409. The cubic root of 85350991 is about 440.2873312639.

The spelling of 85350991 in words is "eighty-five million, three hundred fifty thousand, nine hundred ninety-one".