85384211737 has 4 divisors (see below), whose sum is σ = 93146412816. Its totient is φ = 77622010660.

The previous prime is 85384211707. The next prime is 85384211813. The reversal of 85384211737 is 73711248358.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85384211737 - 2¹⁹ = 85383687449 is a prime.

It is a super-2 number, since 2×85384211737² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85384211707) 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 3 ways as a sum of consecutive naturals, for example, 3881100523 + ... + 3881100544.

It is an arithmetic number, because the mean of its divisors is an integer number (23286603204).

Almost surely, 2^85384211737 is an apocalyptic number.

It is an amenable number.

85384211737 is a deficient number, since it is larger than the sum of its proper divisors (7762201079).

85384211737 is a wasteful number, since it uses less digits than its factorization.

85384211737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7762201078.

The product of its digits is 1128960, while the sum is 49.

The spelling of 85384211737 in words is "eighty-five billion, three hundred eighty-four million, two hundred eleven thousand, seven hundred thirty-seven".