85895220825 has 144 divisors (see below), whose sum is σ = 168538546176. Its totient is φ = 43297934400.

The previous prime is 85895220821. The next prime is 85895220847. The reversal of 85895220825 is 52802259858.

85895220825 is a `hidden beast` number, since 8 + 589 + 52 + 2 + 0 + 8 + 2 + 5 = 666.

It is not a de Polignac number, because 85895220825 - 2² = 85895220821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85895220821) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 8092672 + ... + 8103278.

Almost surely, 2^85895220825 is an apocalyptic number.

It is an amenable number.

85895220825 is a deficient number, since it is larger than the sum of its proper divisors (82643325351).

85895220825 is a wasteful number, since it uses less digits than its factorization.

85895220825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10706 (or 10689 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 54.

The spelling of 85895220825 in words is "eighty-five billion, eight hundred ninety-five million, two hundred twenty thousand, eight hundred twenty-five".