85871444294 has 32 divisors (see below), whose sum is σ = 134012361600. Its totient is φ = 41218172800.

The previous prime is 85871444291. The next prime is 85871444297. The reversal of 85871444294 is 49244417858.

It is an interprime number because it is at equal distance from previous prime (85871444291) and next prime (85871444297).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85871444291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9712844 + ... + 9721680.

It is an arithmetic number, because the mean of its divisors is an integer number (4187886300).

Almost surely, 2^85871444294 is an apocalyptic number.

85871444294 is a deficient number, since it is larger than the sum of its proper divisors (48140917306).

85871444294 is a wasteful number, since it uses less digits than its factorization.

85871444294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9808.

The product of its digits is 10321920, while the sum is 56.

The spelling of 85871444294 in words is "eighty-five billion, eight hundred seventy-one million, four hundred forty-four thousand, two hundred ninety-four".