85470216 has 32 divisors (see below), whose sum is σ = 230112960. Its totient is φ = 26298432.

The previous prime is 85470181. The next prime is 85470239. The reversal of 85470216 is 61207458.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136660 + ... + 137283.

It is an arithmetic number, because the mean of its divisors is an integer number (7191030).

Almost surely, 2^85470216 is an apocalyptic number.

It is an amenable number.

85470216 is an abundant number, since it is smaller than the sum of its proper divisors (144642744).

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

85470216 is a wasteful number, since it uses less digits than its factorization.

85470216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273965 (or 273961 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 85470216 is about 9245.0103299023. The cubic root of 85470216 is about 440.4922452438.

The spelling of 85470216 in words is "eighty-five million, four hundred seventy thousand, two hundred sixteen".