85334153791 has 4 divisors (see below), whose sum is σ = 85612115512. Its totient is φ = 85056192072.

The previous prime is 85334153789. The next prime is 85334153833. The reversal of 85334153791 is 19735143358.

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

It is a cyclic number.

It is not a de Polignac number, because 85334153791 - 2¹ = 85334153789 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 (85334153491) 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, 138980400 + ... + 138981013.

It is an arithmetic number, because the mean of its divisors is an integer number (21403028878).

Almost surely, 2^85334153791 is an apocalyptic number.

85334153791 is a deficient number, since it is larger than the sum of its proper divisors (277961721).

85334153791 is a wasteful number, since it uses less digits than its factorization.

85334153791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277961720.

The product of its digits is 1360800, while the sum is 49.

The spelling of 85334153791 in words is "eighty-five billion, three hundred thirty-four million, one hundred fifty-three thousand, seven hundred ninety-one".