85618767 has 16 divisors (see below), whose sum is σ = 123123168. Its totient is φ = 52609920.

The previous prime is 85618747. The next prime is 85618781. The reversal of 85618767 is 76781658.

It is not a de Polignac number, because 85618767 - 2⁷ = 85618639 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85618717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35533 + ... + 37865.

It is an arithmetic number, because the mean of its divisors is an integer number (7695198).

Almost surely, 2^85618767 is an apocalyptic number.

85618767 is a deficient number, since it is larger than the sum of its proper divisors (37504401).

85618767 is a wasteful number, since it uses less digits than its factorization.

85618767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290.

The product of its digits is 564480, while the sum is 48.

The square root of 85618767 is about 9253.0409595981. The cubic root of 85618767 is about 440.7472958458.

The spelling of 85618767 in words is "eighty-five million, six hundred eighteen thousand, seven hundred sixty-seven".