85058002138647 has 4 divisors (see below), whose sum is σ = 113410669518200. Its totient is φ = 56705334759096.

The previous prime is 85058002138633. The next prime is 85058002138691. The reversal of 85058002138647 is 74683120085058.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 85058002138647 - 2⁶ = 85058002138583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85058002138607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14176333689772 + ... + 14176333689777.

It is an arithmetic number, because the mean of its divisors is an integer number (28352667379550).

Almost surely, 2^{85058002138647} is an apocalyptic number.

85058002138647 is a deficient number, since it is larger than the sum of its proper divisors (28352667379553).

85058002138647 is a wasteful number, since it uses less digits than its factorization.

85058002138647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28352667379552.

The product of its (nonzero) digits is 12902400, while the sum is 57.

The spelling of 85058002138647 in words is "eighty-five trillion, fifty-eight billion, two million, one hundred thirty-eight thousand, six hundred forty-seven".