85009111587 has 12 divisors (see below), whose sum is σ = 122793743800. Its totient is φ = 56671446528.

The previous prime is 85009111549. The next prime is 85009111591. The reversal of 85009111587 is 78511190058.

85009111587 is a `hidden beast` number, since 8 + 50 + 0 + 9 + 1 + 11 + 587 = 666.

It is not a de Polignac number, because 85009111587 - 2²³ = 85000722979 is a prime.

It is a super-2 number, since 2×85009111587² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85009111987) 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 11 ways as a sum of consecutive naturals, for example, 472164 + ... + 626862.

Almost surely, 2^85009111587 is an apocalyptic number.

85009111587 is a deficient number, since it is larger than the sum of its proper divisors (37784632213).

85009111587 is a wasteful number, since it uses less digits than its factorization.

85009111587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215762 (or 215759 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 45.

The spelling of 85009111587 in words is "eighty-five billion, nine million, one hundred eleven thousand, five hundred eighty-seven".