85008725 has 12 divisors (see below), whose sum is σ = 105667716. Its totient is φ = 67841280.

The previous prime is 85008709. The next prime is 85008731. The reversal of 85008725 is 52780058.

It can be written as a sum of positive squares in 6 ways, for example, as 34000561 + 51008164 = 5831^2 + 7142^2 .

It is not a de Polignac number, because 85008725 - 2⁴ = 85008709 is a prime.

It is a super-2 number, since 2×85008725² = 14452966652251250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6899 + ... + 14751.

It is an arithmetic number, because the mean of its divisors is an integer number (8805643).

Almost surely, 2^85008725 is an apocalyptic number.

It is an amenable number.

85008725 is a deficient number, since it is larger than the sum of its proper divisors (20658991).

85008725 is a wasteful number, since it uses less digits than its factorization.

85008725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8296 (or 8291 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 85008725 is about 9220.0176247120. The cubic root of 85008725 is about 439.6980107556.

The spelling of 85008725 in words is "eighty-five million, eight thousand, seven hundred twenty-five".