85259344395258 has 24 divisors (see below), whose sum is σ = 201522086752896. Its totient is φ = 25836164968200.

The previous prime is 85259344395157. The next prime is 85259344395319.

85259344395258 is a `hidden beast` number, since 8 + 5 + 2 + 5 + 93 + 4 + 4 + 3 + 9 + 525 + 8 = 666.

85259344395258 is nontrivially palindromic in base 10.

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, 215301374538 + ... + 215301374933.

It is an arithmetic number, because the mean of its divisors is an integer number (8396753614704).

Almost surely, 2^{85259344395258} is an apocalyptic number.

85259344395258 is an abundant number, since it is smaller than the sum of its proper divisors (116262742357638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85259344395258 is a wasteful number, since it uses less digits than its factorization.

85259344395258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430602749490 (or 430602749487 counting only the distinct ones).

The product of its digits is 1866240000, while the sum is 72.

The spelling of 85259344395258 in words is "eighty-five trillion, two hundred fifty-nine billion, three hundred forty-four million, three hundred ninety-five thousand, two hundred fifty-eight".