85456170 has 24 divisors (see below), whose sum is σ = 222186276. Its totient is φ = 22788288.

The previous prime is 85456139. The next prime is 85456171. The reversal of 85456170 is 7165458.

It can be written as a sum of positive squares in 2 ways, for example, as 78907689 + 6548481 = 8883^2 + 2559^2 .

It is not an unprimeable number, because it can be changed into a prime (85456171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 474667 + ... + 474846.

Almost surely, 2^85456170 is an apocalyptic number.

85456170 is an abundant number, since it is smaller than the sum of its proper divisors (136730106).

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

85456170 is a wasteful number, since it uses less digits than its factorization.

85456170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949526 (or 949523 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 85456170 is about 9244.2506456716. The cubic root of 85456170 is about 440.4681140579.

The spelling of 85456170 in words is "eighty-five million, four hundred fifty-six thousand, one hundred seventy".