85345638825 has 24 divisors (see below), whose sum is σ = 142501879296. Its totient is φ = 45067000000.

The previous prime is 85345638811. The next prime is 85345638853. The reversal of 85345638825 is 52883654358.

It is not a de Polignac number, because 85345638825 - 2⁵ = 85345638793 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5625801 + ... + 5640950.

It is an arithmetic number, because the mean of its divisors is an integer number (5937578304).

Almost surely, 2^85345638825 is an apocalyptic number.

It is an amenable number.

85345638825 is a deficient number, since it is larger than the sum of its proper divisors (57156240471).

85345638825 is a wasteful number, since it uses less digits than its factorization.

85345638825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11266865 (or 11266860 counting only the distinct ones).

The product of its digits is 27648000, while the sum is 57.

The spelling of 85345638825 in words is "eighty-five billion, three hundred forty-five million, six hundred thirty-eight thousand, eight hundred twenty-five".