85444250079 has 8 divisors (see below), whose sum is σ = 117854138160. Its totient is φ = 54998597696.

The previous prime is 85444250077. The next prime is 85444250083. The reversal of 85444250079 is 97005244458.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85444250079 - 2¹ = 85444250077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85444250077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491058822 + ... + 491058995.

It is an arithmetic number, because the mean of its divisors is an integer number (14731767270).

Almost surely, 2^85444250079 is an apocalyptic number.

85444250079 is a deficient number, since it is larger than the sum of its proper divisors (32409888081).

85444250079 is a wasteful number, since it uses less digits than its factorization.

85444250079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982117849.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 85444250079 in words is "eighty-five billion, four hundred forty-four million, two hundred fifty thousand, seventy-nine".