85085167585 has 24 divisors (see below), whose sum is σ = 117555117696. Its totient is φ = 58623259680.

The previous prime is 85085167499. The next prime is 85085167621. The reversal of 85085167585 is 58576158058.

It is not a de Polignac number, because 85085167585 - 2²³ = 85076778977 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2122809 + ... + 2162518.

It is an arithmetic number, because the mean of its divisors is an integer number (4898129904).

Almost surely, 2^85085167585 is an apocalyptic number.

It is an amenable number.

85085167585 is a deficient number, since it is larger than the sum of its proper divisors (32469950111).

85085167585 is a wasteful number, since it uses less digits than its factorization.

85085167585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4285381 (or 4285362 counting only the distinct ones).

The product of its (nonzero) digits is 13440000, while the sum is 58.

The spelling of 85085167585 in words is "eighty-five billion, eighty-five million, one hundred sixty-seven thousand, five hundred eighty-five".