85996215 has 32 divisors (see below), whose sum is σ = 153657600. Its totient is φ = 45632160.

The previous prime is 85996199. The next prime is 85996219. The reversal of 85996215 is 51269958.

It is not a de Polignac number, because 85996215 - 2⁴ = 85996199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85996219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26976 + ... + 29994.

It is an arithmetic number, because the mean of its divisors is an integer number (4801800).

Almost surely, 2^85996215 is an apocalyptic number.

85996215 is a deficient number, since it is larger than the sum of its proper divisors (67661385).

85996215 is a wasteful number, since it uses less digits than its factorization.

85996215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3244 (or 3238 counting only the distinct ones).

The product of its digits is 194400, while the sum is 45.

The square root of 85996215 is about 9273.4144197270. The cubic root of 85996215 is about 441.3940205644.

The spelling of 85996215 in words is "eighty-five million, nine hundred ninety-six thousand, two hundred fifteen".