85085550849 has 8 divisors (see below), whose sum is σ = 122174124352. Its totient is φ = 52360338960.

The previous prime is 85085550841. The next prime is 85085550857. The reversal of 85085550849 is 94805558058.

It is an interprime number because it is at equal distance from previous prime (85085550841) and next prime (85085550857).

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

It is not a de Polignac number, because 85085550849 - 2³ = 85085550841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85085550841) 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, 1090840357 + ... + 1090840434.

It is an arithmetic number, because the mean of its divisors is an integer number (15271765544).

Almost surely, 2^85085550849 is an apocalyptic number.

It is an amenable number.

85085550849 is a deficient number, since it is larger than the sum of its proper divisors (37088573503).

85085550849 is a wasteful number, since it uses less digits than its factorization.

85085550849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181680807.

The product of its (nonzero) digits is 11520000, while the sum is 57.

The spelling of 85085550849 in words is "eighty-five billion, eighty-five million, five hundred fifty thousand, eight hundred forty-nine".