85807850357025 has 144 divisors (see below), whose sum is σ = 155972510453760. Its totient is φ = 45087562915200.

The previous prime is 85807850356967. The next prime is 85807850357027. The reversal of 85807850357025 is 52075305870858.

85807850357025 is a `hidden beast` number, since 8 + 5 + 8 + 0 + 7 + 8 + 50 + 3 + 570 + 2 + 5 = 666.

It is not a de Polignac number, because 85807850357025 - 2²⁹ = 85807313486113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85807850357027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 21435883674 + ... + 21435887676.

Almost surely, 2^{85807850357025} is an apocalyptic number.

It is an amenable number.

85807850357025 is a deficient number, since it is larger than the sum of its proper divisors (70164660096735).

85807850357025 is a wasteful number, since it uses less digits than its factorization.

85807850357025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6396 (or 6388 counting only the distinct ones).

The product of its (nonzero) digits is 94080000, while the sum is 63.

The spelling of 85807850357025 in words is "eighty-five trillion, eight hundred seven billion, eight hundred fifty million, three hundred fifty-seven thousand, twenty-five".