85844334351 has 4 divisors (see below), whose sum is σ = 114459112472. Its totient is φ = 57229556232.

The previous prime is 85844334341. The next prime is 85844334391. The reversal of 85844334351 is 15343344858.

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

It is not a de Polignac number, because 85844334351 - 2⁶ = 85844334287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85844334351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85844334341) 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, 14307389056 + ... + 14307389061.

It is an arithmetic number, because the mean of its divisors is an integer number (28614778118).

Almost surely, 2^85844334351 is an apocalyptic number.

85844334351 is a deficient number, since it is larger than the sum of its proper divisors (28614778121).

85844334351 is a wasteful number, since it uses less digits than its factorization.

85844334351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28614778120.

The product of its digits is 2764800, while the sum is 48.

The spelling of 85844334351 in words is "eighty-five billion, eight hundred forty-four million, three hundred thirty-four thousand, three hundred fifty-one".