85408337879 has 8 divisors (see below), whose sum is σ = 87020079360. Its totient is φ = 83809862136.

The previous prime is 85408337867. The next prime is 85408337923. The reversal of 85408337879 is 97873380458.

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 85408337879 - 2¹² = 85408333783 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 (85408337809) 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, 3303437 + ... + 3329190.

It is an arithmetic number, because the mean of its divisors is an integer number (10877509920).

Almost surely, 2^85408337879 is an apocalyptic number.

85408337879 is a deficient number, since it is larger than the sum of its proper divisors (1611741481).

85408337879 is a wasteful number, since it uses less digits than its factorization.

85408337879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6632869.

The product of its (nonzero) digits is 40642560, while the sum is 62.

The spelling of 85408337879 in words is "eighty-five billion, four hundred eight million, three hundred thirty-seven thousand, eight hundred seventy-nine".