85299216 has 20 divisors (see below), whose sum is σ = 220356432. Its totient is φ = 28433056.

The previous prime is 85299173. The next prime is 85299239. The reversal of 85299216 is 61299258.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 888486 + ... + 888581.

Almost surely, 2^85299216 is an apocalyptic number.

It is an amenable number.

85299216 is an abundant number, since it is smaller than the sum of its proper divisors (135057216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85299216 is a wasteful number, since it uses less digits than its factorization.

85299216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777078 (or 1777072 counting only the distinct ones).

The product of its digits is 77760, while the sum is 42.

The square root of 85299216 is about 9235.7574675822. The cubic root of 85299216 is about 440.1982852853.

Adding to 85299216 its sum of digits (42), we get a palindrome (85299258).

The spelling of 85299216 in words is "eighty-five million, two hundred ninety-nine thousand, two hundred sixteen".