85925999 has 24 divisors (see below), whose sum is σ = 96620160. Its totient is φ = 76179312.

The previous prime is 85925993. The next prime is 85926023. The reversal of 85925999 is 99952958.

It is not a de Polignac number, because 85925999 - 2¹² = 85921903 is a prime.

It is a super-3 number, since 3×85925999³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85925993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 834182 + ... + 834284.

It is an arithmetic number, because the mean of its divisors is an integer number (4025840).

Almost surely, 2^85925999 is an apocalyptic number.

85925999 is a deficient number, since it is larger than the sum of its proper divisors (10694161).

85925999 is a wasteful number, since it uses less digits than its factorization.

85925999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 228 counting only the distinct ones).

The product of its digits is 2624400, while the sum is 56.

The square root of 85925999 is about 9269.6277703045. The cubic root of 85925999 is about 441.2738549593.

The spelling of 85925999 in words is "eighty-five million, nine hundred twenty-five thousand, nine hundred ninety-nine".