85154170 has 16 divisors (see below), whose sum is σ = 155791368. Its totient is φ = 33503040.

The previous prime is 85154161. The next prime is 85154183. The reversal of 85154170 is 7145158.

It can be written as a sum of positive squares in 4 ways, for example, as 44742721 + 40411449 = 6689^2 + 6357^2 .

It is a super-4 number, since 4×85154170⁴ (a number of 33 digits) contains 4444 as substring.

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, 69189 + ... + 70408.

Almost surely, 2^85154170 is an apocalyptic number.

85154170 is a deficient number, since it is larger than the sum of its proper divisors (70637198).

85154170 is a wasteful number, since it uses less digits than its factorization.

85154170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139665.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 85154170 is about 9227.9017116569. The cubic root of 85154170 is about 439.9486338108.

The spelling of 85154170 in words is "eighty-five million, one hundred fifty-four thousand, one hundred seventy".