85116725 has 6 divisors (see below), whose sum is σ = 105544770. Its totient is φ = 68093360.

The previous prime is 85116709. The next prime is 85116791. The reversal of 85116725 is 52761158.

It can be written as a sum of positive squares in 3 ways, for example, as 9878449 + 75238276 = 3143^2 + 8674^2 .

It is not a de Polignac number, because 85116725 - 2⁴ = 85116709 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1702310 + ... + 1702359.

It is an arithmetic number, because the mean of its divisors is an integer number (17590795).

Almost surely, 2^85116725 is an apocalyptic number.

It is an amenable number.

85116725 is a deficient number, since it is larger than the sum of its proper divisors (20428045).

85116725 is a wasteful number, since it uses less digits than its factorization.

85116725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404679 (or 3404674 counting only the distinct ones).

The product of its digits is 16800, while the sum is 35.

The square root of 85116725 is about 9225.8725874575. The cubic root of 85116725 is about 439.8841378819.

It can be divided in two parts, 851 and 16725, that added together give a cube (17576 = 26³).

The spelling of 85116725 in words is "eighty-five million, one hundred sixteen thousand, seven hundred twenty-five".