85051587 has 8 divisors (see below), whose sum is σ = 113772736. Its totient is φ = 56515752.

The previous prime is 85051583. The next prime is 85051621. The reversal of 85051587 is 78515058.

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

It is not a de Polignac number, because 85051587 - 2² = 85051583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85051583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45253 + ... + 47094.

It is an arithmetic number, because the mean of its divisors is an integer number (14221592).

Almost surely, 2^85051587 is an apocalyptic number.

85051587 is a deficient number, since it is larger than the sum of its proper divisors (28721149).

85051587 is a wasteful number, since it uses less digits than its factorization.

85051587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92657.

The product of its (nonzero) digits is 56000, while the sum is 39.

The square root of 85051587 is about 9222.3417308187. The cubic root of 85051587 is about 439.7718979538.

The spelling of 85051587 in words is "eighty-five million, fifty-one thousand, five hundred eighty-seven".