85750580225 has 12 divisors (see below), whose sum is σ = 106336662396. Its totient is φ = 68596630080.

The previous prime is 85750580203. The next prime is 85750580233. The reversal of 85750580225 is 52208505758.

It is a Cunningham number, because it is equal to 292832²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 1 + 85750580224 = 1^2 + 292832^2 .

It is not a de Polignac number, because 85750580225 - 2¹⁸ = 85750318081 is a prime.

It is a super-2 number, since 2×85750580225² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85750580225.

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, 413459 + ... + 585191.

It is an arithmetic number, because the mean of its divisors is an integer number (8861388533).

Almost surely, 2^85750580225 is an apocalyptic number.

It is an amenable number.

85750580225 is a deficient number, since it is larger than the sum of its proper divisors (20586082171).

85750580225 is a wasteful number, since it uses less digits than its factorization.

85750580225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191716 (or 191711 counting only the distinct ones).

The product of its (nonzero) digits is 1120000, while the sum is 47.

The spelling of 85750580225 in words is "eighty-five billion, seven hundred fifty million, five hundred eighty thousand, two hundred twenty-five".