85081087 has 16 divisors (see below), whose sum is σ = 105763392. Its totient is φ = 66643200.

The previous prime is 85081079. The next prime is 85081091. The reversal of 85081087 is 78018058.

It is not a de Polignac number, because 85081087 - 2³ = 85081079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85081037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4563 + ... + 13819.

It is an arithmetic number, because the mean of its divisors is an integer number (6610212).

Almost surely, 2^85081087 is an apocalyptic number.

85081087 is a deficient number, since it is larger than the sum of its proper divisors (20682305).

85081087 is a wasteful number, since it uses less digits than its factorization.

85081087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9378.

The product of its (nonzero) digits is 17920, while the sum is 37.

The square root of 85081087 is about 9223.9409690219. The cubic root of 85081087 is about 439.8227367910.

The spelling of 85081087 in words is "eighty-five million, eighty-one thousand, eighty-seven".